![First Alert 1039758 Plug-In Explosive Gas/Carbon Monoxide Combination Alarm](http://oudella.com/cdn/shop/products/firstalert_9595e209-0c54-492b-b4bf-3fb0831153d2_{width}x{height}.png?v=1660760837)
Description
- Electrochemical Carbon Monoxide sensor
- Single Test/Silence Button
- Backlit Digital Display for greater visibility of which hazard is being sensed (Gas or CO), the hazard level, and the peak level
- 3-Way Protection against Natural/Methane Gas, Propane Gas, and Carbon Monoxide
- Low Battery Warning
- End-of-Life Signal
- 5-Year Limited Warranty