... ,garages, warehouses, orchards, factory floors ,etc.Business/Home GSM Alarm System with:1.GSM 900/1800/1900 bands , can be used all over ... or wireless detector.12.1 relay output to power on camera when alarm.13.2 output for home appliances connection (lamp, cooker ... , 2 remote controllers, 1 power supply, 1 manual Hot selling GSM Alarm System with relay output (M3B)