... zones, improved the factor of safety. Picture:Aluminum omniseal case, IP grade is 55, fully waterproof. 360 degree rotation. The angle ... detector, gas detector etc., can monitoring several kinds of alarms. Alarm receive status: Preset 3 groups SMS, 3 groups MMS, 3 ... Household gas leak, fire and other accidents,and give remote alarm Installed at the door, window, balcony door, important drawers, safes ...