Nighthawk Plug-In Carbon Monoxide & Explosive Gas Alarm with Battery Backup Safe

Carbon Monoxide Explosive Gas Nighthawk Alarm, Protects From 2 Deadly Threats, Detects Carbon Monoxide, Natural Gas Methane Propane Butane, AC Plug With Hide A Way Cord Allows Direct Or Remote Plug In, Battery Backup, Provides Digital Readout O…