1.GSM Alarm System with relay output 2. Got CE/FCC/CCC 3.OEM/ODM products introduction: ... every wire or wireless detector.12.1 relay output to power on camera when alarm.13.2 output for home appliances connection (lamp, cooker ... , 1 wireless door sensor, 1 siren, 2 remote controllers, 1 power supply, 1 manual Hot selling GSM Alarm System with relay output (M3B)