Carbon Monoxide Detectors,Battery Operated Mini CO Alarm Detector Monitor with Digital Display and Sound Warning for Home,Office,Travel (Batteries NOT Included)

Light and Big buzze Sound Alarm Warning: When dangerous levels of carbon monoxide are detected, the red LED will flash and alarm mode will sound an 85 decibel alarm to offer protection to your circle of relatives and you.
Small in size,Just small than our palm,3×1.5V AAA batteries operated (not included batteries),Low Current consumption, Ultra-long Standy time.Pefect for go back and forth,Simple to use,with a single test/reset button, A loud 85 decibel alarm sounds when CO levels reach dangerous,Battery Replaceable carbon monoxide detectors.
Alarm Standard—30ppm,the display displays the concentration; When the alarm detects that CO concentration exceeds 50ppm , alarm within 60-90 minutes; 100ppm, alarm within 10 to 40 minutes; 300ppm, alarm within 3 minutes. Note: When you test the detector, please do not use gas blow the hole in an instant.
Features an advanced electrochemical carbon monoxide sensor,it can appropriately detect carbon monoxide levels no matter where the detector is placed in the room. To verify complete protection, be sure to have one on each and every floor and each and every bedroom in your house.
All CO alarms are rigorously tested to meet UL Standards.Package: 1 x Carbon Monoxide Alarm,2 x Screws,1 x User Manual,If any questions about the Carbon Monoxide Detector,Please don’t hesitate to get in touch with us,We will be able to reply you within 24 hours.