Be alerted when carbon monoxide is detected in your home, wherever you areThe Netatmo Smart Carbon Monoxide Alarm monitors your fuel-burning appliances (boiler, fireplace, wood-burning stove, gas cooker, etc.) by measuring, in real time, the levels of carbon monoxide, which is an invisible, odourless and potentially fatal gas.If it detects carbon monoxide in your home, it sets off its 85-decibel alarm and notifies you immediately on your smartphone. Features Certification CE;NF; Product life 10 year(s) Alarm decibels 85 dB Easy to assemble Yes Connectivity technology Wired Best uses Home, Office Detector type Electrochemical detector Interconnectable No Detected gas types Carbon monoxide (CO) Design Mounting type Surface-mounted Housing material Plastic Product colour White Power Battery voltage 3 V Compatible battery sizes CR17450 Number of batteries supported 2 Power source type Battery Weight & dimensions Weight 147 g Height 23 mm Depth 100 mm Width 100 mm Packaging data Package typ