![FIRST ALERT 1039727 Alarm, Digital Display, 85 dB, Alarm: Audible, Electrochemical Sensor [SKU: ORG6489124]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/600x600/products/8494/8610/6489124__64254.1683054111.jpg?c=1 "FIRST ALERT 1039727 Alarm, Digital Display, 85 dB, Alarm: Audible, Electrochemical Sensor [SKU: ORG6489124]")
![FIRST ALERT 1039727 Alarm, Digital Display, 85 dB, Alarm: Audible, Electrochemical Sensor [SKU: ORG6489124]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/1280x1280/products/8494/8610/6489124__64254.1683054111.jpg?c=1 "FIRST ALERT 1039727 Alarm, Digital Display, 85 dB, Alarm: Audible, Electrochemical Sensor [SKU: ORG6489124]")
Product Overview
Be alerted to dangerous carbon monoxide leaks with the first alert CO410 battery-operated carbon monoxide alarm with backlit digital display. This carbon monoxide detector uses an electrochemical carbon monoxide sensor. An easy-to-read backlit digital display allows a quick view of current and peak CO levels. This unit is powered by two replaceable AA batteries, offering peace of mind even during power outages. [QTY/UOM: 1EA / 1EA] [PMS SKU: ] [Category: FIRE/HOME PROTECTION/GAS DETECTOR KITS;Shop All]
![FIRST ALERT 1039741 Carbon Monoxide Alarm, 85 dB, Alarm: Audible, Electrochemical Sensor [SKU: ORG7016686]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/8497/8613/7016686__39606.1683054112.jpg?c=1 "FIRST ALERT 1039741 Carbon Monoxide Alarm, 85 dB, Alarm: Audible, Electrochemical Sensor [SKU: ORG7016686]")
![FIRST ALERT CO250B Carbon Monoxide Alarm, 85 dB, Alarm: Audible/Visual, Electrochemical Sensor, White [SKU: ORG7590003]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/8486/8602/7590003__06148.1683054106.jpg?c=1 "FIRST ALERT CO250B Carbon Monoxide Alarm, 85 dB, Alarm: Audible/Visual, Electrochemical Sensor, White [SKU: ORG7590003]")
![FIRST ALERT 1039730 Carbon Monoxide Alarm, 85 dB, Alarm: Audible Beep, Electrochemical Sensor, White [SKU: ORG8577272]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/8495/8611/8577272__57895.1683054111.jpg?c=1 "FIRST ALERT 1039730 Carbon Monoxide Alarm, 85 dB, Alarm: Audible Beep, Electrochemical Sensor, White [SKU: ORG8577272]")
![FIRST ALERT 1039871 Smoke and Carbon Monoxide Alarm, 85 dB, Alarm: Audible, Electrochemical, Photoelectric Sensor [SKU: ORG7771157]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/8515/8631/7771157__26174.1683054122.jpg?c=1 "FIRST ALERT 1039871 Smoke and Carbon Monoxide Alarm, 85 dB, Alarm: Audible, Electrochemical, Photoelectric Sensor [SKU: ORG7771157]")
![FIRST ALERT CO5120BN Carbon Monoxide Alarm, 10 ft, 85 dB, Alarm: Audible, Electrochemical Sensor [SKU: ORG9984253]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/8525/8641/9984253__89129.1683054127.jpg?c=1 "FIRST ALERT CO5120BN Carbon Monoxide Alarm, 10 ft, 85 dB, Alarm: Audible, Electrochemical Sensor [SKU: ORG9984253]")