... remote operation;Built-in artificial intelligent English message;Out arm, home arm, and arm by remote controlArm, disarm and monitor and ... 1AStandby Current:<55mAAlarming Current: <450mAWireless Frequency:315MHz, 2262/4.7MΩGSM Frequency:900/ 1800/ 1900MHzBack-up Battery:NI-HI AAA*6 ... , 1 wireless door sensor,1 siren, 2 remote controllers, 1 GSM antenna , 1 power supply, 1 manual GSM/GPRS alarm systems