First alert carbon monoxide alarm 5 beeps. Latching Alarm Indication – Alarm Latch and Low Battery Latch Certain Interconnect alarms have a Latching Alarm feature. The initiating unit “latches” to remember that it initiated the alarm and will continue blinking rapidly. ... First Alert Consumer Support. Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm CT) 1-800-323 ...

This CO Alarm is designed to detect carbon monoxide from ANY source of combustion. It is NOT designed to detect smoke, fire, or any other gas. This CO Alarm is approved for use in single-family residences. This CO Alarm will only indicate the presence of carbon monoxide gas at the sensor.

First alert carbon monoxide alarm 5 beeps. To connect the First Alert Smoke Detector and Carbon Monoxide Alarm (ZCOMBO) with the SmartThings Hub. First, slide the battery tray out of the smoke detector (on the top left side). Insert the batteries (checking the correct orientation). Then, in the SmartThings mobile app: Tap My Home. Under Things, tap Add a Thing at the bottom of your ...

Step 1: Silence your alarm. To silence a nuisance alarm, press and hold the Silence Button on your unit. This will quiet the horn so you can find what caused the alarm. Step 2: Review these possible fixes. Take a moment to review these questions to help uncover the cause of the false alarm and correct any issues.

• This combination Smoke/Carbon Monoxide Alarm has two separate alarms. The CO Alarm is not designed to detect fire or any other gas. It will only indicate the presence of carbon monoxide gas at the sensor. Carbon monoxide gas may be present in other areas. The Smoke Alarm will only indicate the presence of smoke that reaches the sensor.Here are three ways to stop a Honeywell CO detector from chirping. Replace the carbon monoxide detector's battery. As soon as you start hearing your unit chirping, replace its battery with the same type. Ideally, the battery is changed every year. Battery replacement will reset your detector and make the chirping stop.

Step 2: Push and Hold the Test/Reset Button. Push down firmly on the test/reset button for approximately 5 seconds. This will cause the alarm to sound, which indicates that it is in proper working order. Also make sure to keep the button held down for the full 5 seconds so that it can properly reset itself.Combination Smoke and Carbon Monoxide Detector Alarm, Beeps Warning Smoke and CO Alarms for Basements Travel Home Office House Bedroom Living Room Car, Battery Operated,Comply with UL 217/2034, 1-Pack ... First Alert 9120BFF Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack. 4.7 out of 5 stars. 17,145. 5K+ bought in past month.The chirping or beeping in your smoke alarm can be a lifesaver, but it can also be annoying, especially if you don't know what it means. Here's a quick guide to decipher those beeps …Smoke alarm pattern is three long beeps repeating every 1.5 seconds. The smoke alarm takes precedence when both smoke and carbon monoxide are present. • Alert small children in the home as well as anyone else that might have difficulty recognizing the importance of the alarm sounding or that might have difficulty leaving the area without help.Remove the old batteries. Press and hold the Test/Reset button for 10 seconds to fully discharge the detector. Insert the new batteries, and make sure the contact points are facing the right direction. Close the battery drawer and remount your unit. Learn how to replace the batteries in a smoke or CO detector.Noise Output: 85 dB in a T3 Pattern. Single Button: One press to silence and test alarm. Easy Installation: Quick-Connect wiring for easy installation. Standards: UL 217, UL 2034 and UL 1971 for visual signal devices. Warranty: 10 Year Limited. Product Dimensions (LxWxH): 5.5 x 3 x 5.5.in. Product Weight: .87 lbs.Find more information about your First Alert or BRK product, including manuals, tutorials, and more. ... Search. Search "" Close search. Smoke & Carbon Monoxide Alarms. Model: 7030BSL. Download product manual. Register your product. Buy now. Setup. Why Replace Smoke Alarms Every 10 Years? Learn why the NFPA recommends that smoke alarms …On a peaked, gabled, or cathedral ceiling, install first Smoke/CO Alarm within 3 feet (0.9 meters) of the peak of the ceiling, measured horizontally. Additional Smoke/CO Alarms may be required depending on the length, angle, etc. of the ceiling's slope. Refer to NFPA 72 for details on requirements for sloped or peaked ceilings.Once the First Alert CO Plug-in Carbon Monoxide Alarm with battery backup has been installed, remember to test your CO detector, with the easy access test button, regularly and change the batteries at least twice a year.The light flashes (RED) and the horn sounds 5 "chirps" every minute. END OF LIFE SIGNAL. CO Alarm needs to be replaced.

Sorry to interrupt Close this window. This page has an error. You might just need to refresh it. First, would you give us some details?Plug-In Operated. Simply plugs into standard outlets. Most include backup battery for continuous monitoring during power outages. 10-Year Sealed Battery. Eliminates the need for battery replacements for the life of the alarm. Eliminates late-night low-battery chirps. Help protect your family from carbon monoxide poisoning with smoke and carbon ...A drop in room temperature increases this resistance, which may impact the battery's ability to deliver the power necessary to operate the unit in an alarm situation. This battery characteristic can cause a smoke alarm to enter the low battery chirp mode when air temperatures drop. Most homes are the coolest between 2 a.m. and 6 a.m.

The First Alert CO400 Carbon Monoxide Alarm utilizes an electrochemical carbon monoxide sensor to monitor your space for a carbon monoxide threat. The battery-powered design doesn't require an electrician; simply insert the included 9-volt battery, and the carbon monoxide detector is ready to go. The advanced electrochemical CO sensor detects ...

The detectors’ end-of-life signal is five beeps in a minute. When you notice the carbon monoxide detector beeps five times per minute. It means that the sensor is no longer sensing and that you should replace it. When the CO alarm reaches the end of its useful life (5 to 7 years), it stops working. A new alarm unit should be installed, keep ...

This Smoke/CO Alarm is intended for residential use. It is not intended for use in industrial applications where Occupational Safety and Health Administration (OSHA) requirements for Carbon Monoxide Alarms must be met. The Smoke Alarm portion of this device is not intended to alert hearing impaired residents.First Alert Carbon Monoxide Detectors have different beep patterns to communicate whether there is an emergency or simply a need to replace the unit. It is important to know the difference between the beeps. 4 beeps and a pause : This means that there is carbon monoxide in the air. You should seek fresh air immediately and call 911.FIRST ALERT Carbon Monoxide Alarm | BRK CO250 Battery Operated Carbon Monoxide Detector With 9-Volt Battery & Two Silence Features. ... FIRST ALERT 1039730 Carbon Monoxide Alarm, 85 dB, Alarm: Audible Beep, Electrochemical Sensor, White. 57 4.7 out of 5 Stars. 57 reviews. Free shipping, ...Find more information about your First Alert or BRK product, including manuals, tutorials, and more. ... Return to FirstAlert.com; More. Expand search. Search. Search "" Close search. Smoke & Carbon Monoxide Alarms. Model: PC1210 / PRC710. Download product manual. Register your product. Buy now. ... Install a Battery-Powered First Alert Alarm.The alarm will now "chirp" once a minute for up 15 minutes before resetting. Other devices have similar low battery chirps or warning tones that sound like the chirp our alarms make. ... First Alert Consumer Support. Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm CT) 1-800-323-9005. Onelink & Smart Home Support.

Take the first step toward protecting your home & family. Sign up to learn fire and carbon monoxide safety tips you can practice at home. SIGN UP TODAY. First Alert fire safety products, smoke, and carbon monoxide alarm systems for the home can be purchased at the First Alert Store Online or at the retailers like Amazon, Walmart, BestBuy and more. The reset instructions shown above are not universal for all First Alert alarms. I called customer support and they asked me to pull the battery tray out, press & hold the reset button, then slide the battery tray back in while holding down the button until I heard the beep. After doing that, I could add the detector to my Ring system. Also, note that the detector will appear a two devices ...Step 1: Silence your alarm. To silence a nuisance alarm, press and hold the Silence Button on your unit. This will quiet the horn so you can find what caused the alarm. Step 2: Review these possible fixes. Take a moment to review these questions to help uncover the cause of the false alarm and correct any issues.BRK Brands, Inc., 3901 Liberty Street Road,Aurora, IL 60504-8122 Consumer Affairs: (800) 323-9005 • www.firstalert.com. All First Alert® Smoke Alarms conform to regulatory requirements, including UL217 and are designed to detect particles of combustion.120V PLUG-IN CARBON MONOXIDE ALARM WITH BATTERY BACK-UP AND SILENCE FEATURE M08-0206-008 S 01/14 Printed in Mexico IMPORTANT! ... BRK Brands, Inc. ("BRK") the ®maker of First Alert brand products, warrants that for a period of 7 years from the date of purchase, this product will be free rom dects inalwk h p.BRK , uy b v gThe First Alert CO600 (1039730) carbon monoxide alarm uses an electrochemical carbon monoxide sensor-the most accurate technology available. Installation is as simple as plugging it in to any wall outlet. The test/silence button both silences a non-threatening alarm and allows you to test the unit's functionality.SKU: CO605. 4.7 / 5.0. (18080 Reviews) WHERE TO BUY. The First Alert CO606 Carbon Monoxide Plug-In Alarm with battery backup features an electrochemical CO sensor to alert you to carbon monoxide. This carbon monoxide detector plugs into any standard electrical socket to monitor CO levels in your home. The simple, user-friendly design …Why Does My First Alert Smoke And Carbon Monoxide Alarm beeping? Easy Steps to Reset Your First Alert Smoke and Carbon Monoxide Alarm; Step 1: Locate the Reset Button; Step 2: Press and Hold the Reset Button; Step 3: Wait for the Beep; Step 4: Check the Indicator Lights; Common Troubleshooting Tips: Carbon Monoxide …1 Beep Every Minute. This intermittent alarm means your carbon monoxide detector is running on a low battery. This warning alarm is only one beep every 60 or so seconds. This type of carbon monoxide alarm beeping will subside once the batteries have been changed and doesn't require a 911 call. To avoid this beeping altogether, plan a time to ...The alarm horn will sound: 4 beeps, a pause, then 4 beeps. The alarm sequence should last 5-6 seconds. If the unit does not alarm, make sure it has been activated correctly, and test again. ... Download First Alert CO710 - Carbon Monoxide Alarm Manual. Advertisement. Related Manuals for First Alert CO710. First Alert GC01 - Plug-in Explosive ...Est. reading time 21 minutes. CO606A Carbon Monoxide Alarm manuals and instructions online. Download First Alert CO606A PDF manual. ... HORN: Sounds loudly - 4 beeps, pause, 4 beeps, pause POWER/ALARM LIGHT: The LED flashes with the same pattern ... Carbon Monoxide Alarm First Alert CO600B Specification Sheet. 120v ac, 60hz plug-in with two aa ...The First Alert CO400A Carbon Monoxide Alarm utilizes an electrochemical carbon monoxide sensor that lasts for up to five years to detect carbon monoxide. This carbon monoxide detector is battery operated, making it portable and easy to use anywhere, even in the event of a power outage. When carbon monoxide levels become elevated, a loud …Causes of Carbon Monoxide Detectors Beeping. When a carbon monoxide detector beeps or chirps at regular intervals, it is usually because of a problem with the battery or an internal malfunction. Battery problems: Most carbon monoxide detectors are designed to warn residents of a decaying battery.SKU: 3120B. 4.4 / 5.0. (2442 Reviews) WHERE TO BUY. The First Alert® Hardwired Dual Sensor Smoke Alarm with Battery Backup is designed to provide peace of mind. The photoelectric and ionization sensors alert you to both smoldering and fast-flaming fires, offering comprehensive detection and early warning. The 85-decibel fire alarm can also ...Five beeps on a carbon monoxide alarm mean end of life, telling you it’s time to install a new alarm. Five beeps at fifteen-minute intervals is a warning that your alarm is dying. Unlike a low battery warning (one chirp), this means the entire alarm needs to be replaced. You should deal with this issue as soon as possible.The First Alert Slim photoelectric smoke and carbon monoxide alarm with 10-year battery helps protect your home from two potentially deadly threats by providing up to a decade of uninterrupted monitoring. Equipped with dual sensors, this low-profile alarm detects smoke from slow-burning, smoldering fires. Half as thick as a standard alarm, this ...To reset a hardwired unit with a battery backup, perform the following steps: Remove the smoke alarm from the mounting bracket and disconnect the power. Remove the battery (for a sealed-battery model, see Battery Settings for a 10-Year Alarm to learn more). Press and hold the test button for five seconds. Reconnect the power and reinstall the ...

The backup battery should power the alarm for a minimum of 7 days without electricity to keep your home protected. Modern hardwired alarms require a battery backup. Related Articles. How to Replace 9V Batteries in Smoke or CO Alarms ... First Alert Consumer Support. Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm CT) 1-800-323 ...Troubleshoot Chirping on CO Alarms. Learn More >. Remove an Alarm from the Ceiling or Wall. Learn More >. Proper placement for smoke alarms, CO alarms, and fire extinguishers. Learn More >. Smoke or CO Alarm Expiration Dates: Frequently Asked Questions. Learn More >. About alarm life expectancy / expiration.If needed, the sounder can be silenced for five minutes by pressing the "Test" button. The red alarm light will continue to flash in temp-4 pattern. If carbon monoxide is still present after the 5-minute hush period, the audible alarm will sound. The hush feature will not operate at levels above 350 ppm (parts per million) carbon monoxide.Smoke/CO Alarms should be placed between 4 inches (102 mm) and 12 inches (305 mm) from the wall/ceiling line, below typical "dead air" spaces. On a peaked, gabled, or cathedral ceiling, install first Smoke/CO Alarm within 3 feet (0.9 meters) of the peak of the ceiling, measured horizontally.If your digital carbon monoxide alarm says “END” on the display, this means it has reached the end of its life and needs to be replaced. The alarm will also chirp 5 times …Noise Output: 85 dB in a T3 Pattern. Single Button: One press to silence and test alarm. Easy Installation: Quick-Connect wiring for easy installation. Standards: UL 217, UL 2034 and UL 1971 for visual signal devices. Warranty: 10 Year Limited. Product Dimensions (LxWxH): 5.5 x 3 x 5.5.in. Product Weight: .87 lbs.This CO Alarm should receive continuous 120VAC, 60 Hz, pure sine wave electrical power. Do not use in an extension cord or outlet controlled by a dimmer or switch. NEVER ignore your Carbon Monoxide Alarm if it alarms. Refer to "If Your CO Alarm Sounds" for more information.

Your First Alert® ONELINK® Smoke/CO Alarm will automatically commu-nicate both potential fires and carbon monoxide presence with all other First Alert® ONELINK® Smoke/CO Alarms. FCC NOTICE:This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device mayFeb 24, 2024 · Let’s explore the most common beep patterns and their associated meanings: Single Beep: A single beep from a carbon monoxide detector typically indicates a low battery warning. When the detector detects a low battery level, it will emit a short beep at regular intervals, alerting you to replace the batteries. PRC700V Smoke and CO Alarm with Voice and Location, Battery Operated. The First Alert PC1200V Battery-Operated Smoke and Carbon Monoxide Alarm with Voice and Location has a slim profile, designed to blend more fully into the wall and out of sight. This combination smoke and CO detector offers the same functionality you expect from First Alert ...Combination Smoke and Carbon Monoxide Detector Alarm, Beeps Warning Smoke Co Alarm Clock for Travel Home Bedroom Living Room Basement Attics Cars, Battery Operated, Comply with UL 217 and UL 2034, 1 Pack ... The First Alert SCO5RVA carbon monoxide and smoke alarm uses an electrochemical carbon monoxide sensor-the most accurate technology ...The First Alert Onelink 2-in-1 smart smoke and carbon monoxide alarm alerts you to both types of danger in your home. Emergency notifications alert you to danger via your phone, while voice and location technology tell you the type and area of danger; the alarm also uses a traditional 85-decibel siren.This item: FIRST ALERT BRK SC9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1 Pack & Alert BRK 9120B-3 Hardwired Smoke Alarm with Backup Battery, 3 Pack, White, 3 Count $80.43 $ 80 . 43Description. This unit from BRK (TM) is a combination smoke detector and electrochemical ion carbon monoxide detector designed to be hardwired to 120 V electrical power. It and can be interconnected with up to 12 smoke alarms, and up to 6 smoke/carbon monoxide combination alarms so all units will go into alarm if any single unit is triggered.Blinking red lights are fairly common in smoke detectors, and it should be easy for you to discover why yours is doing the blinking. 1. Batteries are Low. Many First Alert smoke detectors have an LED light, which blinks red when the batteries need to be changed. In addition, a chirping or beeping noise may be heard.Find more information about your First Alert or BRK product, including manuals, tutorials, and more. ... Search "" Close search. Smoke & Carbon Monoxide Alarms. Model: CO605 / CO605B / CO606. Download product manual. Register your product. Buy now. Setup. Where should I install carbon monoxide alarms and in particular, how high off the floor ...It is important to know the difference between the beeps. 4 beeps and a pause : This means that there is carbon monoxide in the air and you should seek fresh air immediately and call 911. 1 beep every minute : This means that the alarm has low batteries and you should replace them. 3 beeps every minute: This means the alarm has encountered a ...For example, your device may come with carbon monoxide detection and use a different number of beeps to signal a carbon monoxide problem. A First Alert detector will beep three times if the device is malfunctioning or five times if the device has reached EOL, for example. 1 In contrast, a Universal Security alarm will beep twice, pause for ...Features. The First Alert CO600A Plug-In Carbon Monoxide Alarm utilizes an electrochemical carbon monoxide sensor that lasts for up to five years to detect carbon monoxide. This carbon monoxide detector plugs into any wall outlet. When carbon monoxide levels become elevated, a loud 85-decibel alarm alerts you to the threat.If your digital carbon monoxide alarm says "ERR" on the display, this means it has malfunctioned and needs to be replaced. Generally, carbon monoxide detectors last between 7-10 years before they should be replaced. If this happens and your alarm is still under warranty, please reach out to First Alert Support. Learn more about CO Alarms:If your digital carbon monoxide alarm says "END" on the display, this means it has reached the end of its life and needs to be replaced. The alarm will also chirp 5 times per minute to let you know it's time for replacement. Learn more about CO Alarms: Where to Buy First Alert, Onelink, or BRK Brands Products. Things to know about carbon ...Solution: Replace with a new alarm as soon as possible. Check to ensure that your alarm is not expired and in need of replacement. If it's still under warranty, return alarm to the manufacturer for replacement. 5 chirps (about 1x per minute): End-of-life (EOL) chirp. Cause: End-of-Life Warning. Solution:If you hear the CO detector giving off three consecutive beeps every 15 minutes or four beeps every 5 minutes (depending on the manufacturer), then the CO detector is letting you know...The alarm horn will sound 4 beeps, a pause, then. 4 beeps. The ALARM (RED) light will flash. The alarm sequence should last 5-6 seconds. If it does not alarm, make ... Carbon Monoxide Alarm First Alert First Alert CO400 User Manual. Battery operated carbon monoxide alarm with silence feature (1 page)Introduction. Go to step 1. Follow this guide to fix your First Alert Smoke alarm. This fix will stop the First Alert Smoke alarm from beeping when your battery is low. Make sure you have your 9V battery in hand and a helper to make sure that you do not fall from your stool. These alarms are usually found mounted into your ceiling so please ...Smoke & Carbon Monoxide Alarms. Model: 3120B. Download product manual. Register your product. Buy now. Setup. ... Learn about 10-year-battery alarms offered by First Alert and BRK. General Help. Alarm Battery Drawer Won't Close. Learn how to fix an alarm battery drawer that won't close.

View and Download First Alert CO606 user manual online. 120V PLUG-IN CARBON MONOXIDE ALARM WITH BATTERY BACK-UP AND SILENCE FEATURE. CO606 security system pdf manual download. ... you will hear a loud alarm sequence - 4 beeps, pause, nician. Place one label near the CO larm, and the other label in the ... Carbon Monoxide Alarm First Alert ...

First Alert Carbon Monoxide Detector Alarm|No Outlet Required with Digital Display and Peak Memory, Battery Operated, CO410 , White. 4.6 out of 5 stars 1,471. ... 2-Pack Beeps Warning Smoke and CO Alarms for Basements Travel Home Office House Bedroom Living Room Car, Battery Operated, Comply with UL 217/2034.

by Safetyfirst. To deactivate the first alert 10-year smoke alarm just press the silence button and keep it pressed until the alarm stops. The location of the silence button will depend on the fire alarm model. But normally it is either around the first alert logo or front and center of the alarm, or at the top of the alarm.If your smoke alarm is chirping even though it has a new battery, try these troubleshooting steps to clear out residual charge from the old battery. Remove the alarm from your ceiling or wall. Open the cover and take out the battery. Press and hold the test button for 15-30 seconds. This will fully reset the smoke alarm and drain any charge ...1039196 Plug-In Carbon Monoxide Alarm. SKU: 1039196. WHERE TO BUY. CO detector alerts you to elevated carbon monoxide levels in the home. Advanced electrochemical carbon monoxide sensor. Simple plug-in design works with 120-volt outlets. Loud 85-decibel alarm sounds when CO levels are elevated. Single test/silence button for simple …Let's start by discussing some of the possible causes of a First Alert Smoke Alarm that keeps going off. 1. Accumulation of Dust and Dirt. In most cases, you would be dealing with the buildup of dust and dirt inside the device. This is one of the most common reasons for smoke alarm malfunctions. With time, dust and dirt will accumulate on the ...To obtain warranty service, please contact First Alert Support. Please have the model number and date of purchase available when calling. 1-800-323-9005. Mon - Fri (9 am - 8pm CST) Sat - Sun (9 am - 5:30 pm CST) Disposable Battery Operated Smoke/CO Warranty Service and Returns. How can I obtain warranty service on First Alert, Onelink, or BRK ...Under no circumstance should an alarm be ignored. Learning to identify why a carbon monoxide alarm is beeping is vital to help keep your family and your home safe. Who to Call for a Carbon Monoxide Check. If the …Feb 24, 2024 · Let’s explore the most common beep patterns and their associated meanings: Single Beep: A single beep from a carbon monoxide detector typically indicates a low battery warning. When the detector detects a low battery level, it will emit a short beep at regular intervals, alerting you to replace the batteries.

miami listcrawler tsis lore olympus finishedfood lion london blvd portsmouth vawhat woman does rickey smiley play First alert carbon monoxide alarm 5 beeps svartalfheim ark [email protected] & Mobile Support 1-888-750-5486 Domestic Sales 1-800-221-5785 International Sales 1-800-241-7212 Packages 1-800-800-6082 Representatives 1-800-323-6487 Assistance 1-404-209-8027. First Alert Carbon Monoxide Detectors have different beep patterns to communicate whether there is an emergency or simply a need to replace the unit. It is important to know the difference between the beeps. 4 beeps and a pause : This means that there is carbon monoxide in the air. You should seek fresh air immediately and call 911. . dr. cheryl ledford orthopedic four loud beeps, pause, 4 beeps. During testing, the POWER/ ALARM light will flash rapidly. This is normal. IF YOUR CO ALARM SOUNDS Actuation of your CO Alarm indicates the presence of carbon monoxide (CO) which can kill you. In other words, when your CO Alarm sounds, you must not ignore it! IF THE ALARM SIGNAL SOUNDS: 1. …Combination Smoke and Carbon Monoxide Detector Alarm, Beeps Warning Smoke and CO Alarms for Basements Travel Home Office House Bedroom Living Room Car, Battery Operated,Comply with UL 217/2034, 1-Pack ... FIRST ALERT Carbon Monoxide Alarm | BRK CO250 Battery Operated Carbon Monoxide Detector With 9 … zaxby loaded friessummit county court records criminal nuisance alarms, may expose the sensor to substances that could damage or contaminate it, or the Alarm may not be heard by persons in other areas of the home, especially if they are sleeping. • In the garage, vehicle exhaust can contain some carbon monoxide. These levels are higher when the engine is first started. Within hours of starting a great clips clayton calatam 8180 flight status New Customers Can Take an Extra 30% off. There are a wide variety of options. The U.S. Environmental Protection Agency says that the average level of carbon monoxide in a home without a gas stove is between 0.5 and five parts per million. The level of carbon...Significance of Three Beeps: When a smoke alarm emits three beeps and stops. Then it signifies a potential fire outbreak or a nearly drained battery. Actionable Responses: Emergency chirping signals smoke detection; evacuate, gather at meeting point, call 9-1-1, wait for safety to re-enter.Combination Smoke and Carbon Monoxide Detector Alarm, Beeps Warning Smoke Co Alarm Clock for Travel Home Bedroom Living Room Basement Attics Cars, Battery Operated, Comply with UL 217 and UL 2034, 1 Pack ... The First Alert SCO5RVA carbon monoxide and smoke alarm uses an electrochemical carbon monoxide sensor-the most accurate technology ...