... way. 2,Control the home appliance remotely. 3,Can support the GSM cell phone products introductionThis is a new GSM home alarm system. The ... -way to communicate in long way.Control the home appliance remotely.Can support the GSM cell phone, with sending the English message ... , 1 wireless door sensor,1 siren, 2 remote controllers, 1 GSM antenna, 1 power supply, 1 manual GSM home security alarm system