... it is a higher level using of MMS security alarm. 'X2' inherited all performance from 'X1', have ... add the wired zones, improved the factor of safety. Picture:Aluminum omniseal case, IP grade is 55 ... detector etc., can monitoring several kinds of alarms. Alarm receive status: Preset 3 groups SMS, 3 groups ... leak, fire and other accidents,and give remote alarm Installed at the door, window, balcony door, ...