Best 16 Smoke And Carbon Monoxide Detector of 2023

Fire & CO Detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire! Fire!", "Warning! Carbon Monoxide!", or "Low Battery!"

Photoelectric sensor technology - hardwired smoke detector detects visible fire particles, 85 decibel alarm alerts of fire

Protects during a power failure - combo smoke and CO detector operates on a 120V power source with 9V front-loading battery backup

Test-Hush Feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling

UL Certified, 10-year limited warranty

Easy to install CO and explosive gas alarm with three convenient mounting options including AC wall outlet, plugin six foot power cord, or table top

Carbon Monoxide (CO) alarms four quick beeps, followed by five seconds of silence, followed by four quick beeps. Displays CO concentration

Gas alarms one second of alarm on, one second of alarm off, repeating with “GAS” shown in display

Loud pulsing alarm that will sound to alert you to a potential problem

Low battery warning feature indicates when the battery needs replacement

UL Certified, 5-year Limited Warranty

Two alarms in one detects carbon monoxide and explosive gas

Three convenient mounting options

Digital display and peak level button displays the peak CO level recorded by the alarm since it was last reset

Battery backup 9 volt battery included

Kidde’s carbon monoxide alarms meet the requirements of Underwriters Laboratories (UL), an independent facility that tests products for compliance with widely-accepted safety standards

Keep your family safe with this digital display, plug in carbon monoxide alarm; It works with any standard outlet and also has a battery backup for continuous monitoring of Carbon Monoxide levels, even if there's a power failure

Features an advanced electrochemical carbon monoxide sensor; Peak level feature displays the highest concentration of carbon monoxide measured

A loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels

To ensure complete protection make sure to place one on each level of your home and in each bedroom

7 year limited warranty; Equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety

All first alert CO alarms are rigorously tested to meet UL standards

First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

UNIQUE DESIGN — Portable and easy installation. Precise electro-optical sensor, high consistency and stability, move, or in the same place for that. Loud enough and sounds good.

ALARM WARNING — When a Dangerous level of Carbon Monoxide is detected, the Red LED will flashes and a loud alarm pattern will sound, Loud 85 decibel alarm with LED Flash While in the Alarm Mode for the Life-Saving Safety.

SAFETY AND VISIBLE— Protect the Family from Carbon Monoxide, With 3 digits LCD Displayer is Optional, 'Err' on the LCD to indicate the unit is malfunctioning. 'Lb' on the LCS to indicate it low battery and need to replacement. '999ppm' on the LCD to indicate CO level over 999ppm. If the Co leakage is less than 999p.

ENERGY-SAVING — Operated by 3 x 1.5V AA Batteries (not included), The alarm sound pattern is 4 beeps every 5seconds for the first 4 minutes. In 4 minutes, it will change to 4 beeps ever minute to save the battery.

ALARM STANDARD — 50ppm, alert within 60 to 90 minutes; 100ppm, alert within 10 to 40 minutes; 300ppm, alert within 3 minutes. Note: When you test the detector, please do not use gas blow the hole directly.

WHAT YOU CAN GET — 1. one detector alarms with Mounting bracket, 2. one manual, 3. two screws. We provide10 year limited warranty; Any other problem pls feel free to contact us, we will reply you within 24 hours.

FLEXIBLE INSTALLATION: Wall-mounted or free-standing; easy to take while traveling

HIGH ACCURACY & RELIABILITY: Advanced Figaro electrochemical CO sensor; 10-year sealed lithium battery

INSTANT ALERT: An early warning will be delivered through a loud 85-decibel alarm

INFORMATIVE LCD: Displays real-time CO levels and remembers dangerous CO levels since the last preset

INTUITIVE LED: 3-colored LED indicator flashes red, green, or yellow to indicate an alarm, power, or a fault

Very easy to install at home or bedroom. Precise electro-optical sensor, high consistency and stability, move, or in the same place for that. Loud enough and sounds good.

The normal working state is that the green light flashes every 30 seconds.The blue backlit LCD display does not light up in standby mode (it will Lights up and alarms when carbon monoxide is detected).

The normal working state is that the green light flashes every 30 seconds.The blue backlit LCD display does not light up in standby mode (it will Lights up and alarms when carbon monoxide is detected).