About this item

• 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 protect your family 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 travel,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 directly.
• Features an advanced electrochemical carbon monoxide sensor,it can accurately detect carbon monoxide levels no matter where the detector is placed in the room. To ensure complete protection, make sure you have one on every floor and every bedroom in your home.
• All CO alarms are rigorously tested to meet UL Standards.Package: 1 x Carbon Monoxide Alarm,2 x Screws,1 x User Manual,