GSM + Camera alarm system bases on the GSM network 4 wired and 6 wireless defense areas;6 voice phones and 3 message phones;1 normally open/closed signal output;10-second message recording;Intelligent voice prompt for remote operation;Built-in artificial intelligent English message;Out arm, home arm, and arm by remote controlArm, disarm and monitor and intercom(optional) by phone;Real-time, delay ...