As new. From Fire-angle: Description & Details Summary Style Carbon Monoxide Alarm Power Source Battery Powered Alarm Audible Lower temperature rating 10 Degrees Celsius Upper temperature rating 1 Degrees Celsius Fireangel CO-9D Digital Sealed for Life Carbon Monoxide Alarm, White Description Automatic self diagnostic check 7 years sealed for life lithium battery Loud 85 dB alarm at 1 m Large test and silence button Large multi-function digital screen and room thermometer Temperature facility designed to provide a room temperature indication only (nominally +/– 2 Degree Celsius)
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