This carbon monoxide detector has an integrated Advanced Figaro sensor that detects hazardous CO levels more accurately and responds more quickly, with a life of up to 10 years
5-year replacement battery: the alarm is built with a replaceable lithium battery to provide 5 years of continuous protection; a low battery warning tells you when to replace the battery for continuous safety
Maximum CO concentration memory: the visual LCD display automatically records and saves the maximum CO levels, so an activated alarm when you are away from home can be confirmed using the maximum recorded value
Unique independent design: this carbon monoxide alarm stays freely on any smooth desktop, so you don't have to drill holes on the wall; compact in size doesn't occupy too much space
Tricolor LED Indicator: It has a 3-color LED indicator that flashes green, red or yellow, matched with audible beeps, to indicate power, alarm or failure