PETRICOR Smoke and Carbon Monoxide Alarm Detector with Photoelectric Sensor, LCD Display, Battery Operated. Home Fire & CO Alarms Detector (Not Hardwired) 1 Pack. - -

Description

High quality photoelectric sensor and electrochemical carbon monoxide sensor can more accurately identify two harmful substances. Fewer false alarms and no radiation. More suitable for home environment. 8 seconds active detection, 30 seconds LED alert, real-time LCD display, so you intuitively understand the working status of smoke and carbon monoxide detectors. Easy and fast to use. Single alarm uses 3 AA batteries. Depending on the quality of the batteries 1-3 years need to be replaced. The product has low voltage prompt, the alarm will flash red light and have bass prompt when the voltage is too low.

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