First Alert GC01CN Combo Explosive Gas and Carbon Monoxide Alarm with Digital Display dropship and has LED lights that

and has LED lights that react to beat of the music

4 GHz and 5 GHz bands with compatible devices

Auto stop/start

Rugged construction with side and top handles

Add-a-Post system for retention of the factory terminal connector

First Alert GC01CN Combo Explosive Gas and Carbon Monoxide Alarm with Digital Display dropship and has LED lights thatDesigned to promote peace of mind and household safety, the First Alert GCO1CN Combination Explosive Gas and Carbon Monoxide Alarm with battery backup senses the presence of methane and propane. It also features an electrochemical CO sensor that detects carbon monoxide. When the alarm detects a threat, it alerts you with a loud 85 dB alarm. The digital display gives you an easy and clear readout of current and peak levels, allowing you to discern