1039758 Combo Explosive Gas and Carbon Monoxide Alarm with Digital Display

The First Alert GCO1A Combination Explosive Gas and Carbon Monoxide Alarm features a backlit digital display and detects propane, CO, and methane gas. This explosive gas and CO detector plugs into any AC outlet with no additional mounting hardware needed.

Detects Dangerous Levels of CO and Explosive Gases

Designed to promote peace of mind and household safety, the GCO1A Combination Explosive Gas and Carbon Monoxide Alarm 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-decibel alarm.

Backlit Display for Reviewing Readings

Equipped with a backlit digital display, the GCO1A Combination Explosive Gas and Carbon Monoxide Alarm takes the hassle out of monitoring CO and explosive gas levels in your home. The display gives you an easy and clear readout of current and peak levels, allowing you to discern patterns that indicate potential CO, methane and propane leaks from an appliance, a generator, or other source.

Plugs into Any AC Outlet for Effortless Setup

This gas and CO alarm is easy to set up and doesn't require any wiring. The compact, low-profile sensor plugs into an AC wall outlet without obstructing other sockets and comes with a line cord for versatile placement options. The alarm also features a 9-volt backup battery to help ensure continued operation in the event of a power outage. A pivoting, easy-to-access battery drawer allows you to replace the battery without dismounting the alarm.