Well guys it looks ofiicial.   Please login or register to see this link.   Great small life saving device to rooms with solid fuel boilers and fireplaces. Also good to garage. No other gasses won't affect it, becouse of very good CO detector in a device. And it has Temperature sensor inside. Sense only CO. Description of alarm at the back of the cover. It is Z-Wave Plus device and radio range, with my tested unit is great (Across my house).   0dc361cdd4909f7a3d2cf136