First Alert GO1CN Gas & CO Alarm | Plug-In Detector with Digital Display

[shortdesc] Alarm Type Gas & Carbon Monoxide Power Source Plug in Sensor  Electrochemical Battery Backup 9V [/shortdesc] Product Description First Alert GCO1CN: Reliable CO and Explosive Gas Protection The First Alert GCO1CN is a plug-in combination alarm designed to detect carbon monoxide and explosive gases like methane and propane. It provides early warnings with audible alarms, a backlit digital display, and advanced dual-sensor technology. With a 9V battery backup, versatile mounting options, and single-button testing and silencing, the GCO1CN ensures safety for residential or institutional spaces. Its compliance with UL standards guarantees dependable performance in critical situations. Top Features Dual-Sensor Technology: Detects carbon monoxide (CO) and explosive gases (methane and propane). EZ View Backlit Digital Display: Provides real-time CO levels, gas hazards, and battery status. Two Silence Features: Temporarily silence nuisance alarms or the low