First Alert CO250B Carbon Monoxide Alarm 85 dB Alarm: Audible/Visual Electrochemical Sensor White

Secure your home or facility against the threat of carbon monoxide leaks with the BRK CO250B carbon monoxide alarm. equipped with an electrochemical carbon monoxide sensor, a test switch, an 85 dB horn and a red led power indicator, this carbon monoxide detector warns you to the presence of carbon monoxide.