Features: GSM 900/1800/1900 bands, can be used in most parts of the world Full duplex communication with the host Monitor the scene environment Voice and message alert Set alarm ON or OFF by remote controller Can set Home Arm and Out Arm mode(Partial Arm Function) Call in to set alarm ON, OFF, Monitor, Output, Intercom. Send SMS to set alarm ON, OFF, Monitor, Output 5 group phone + room number 1 group alarm monitor center phone number 2 group phone to report arm and disarm status Can program 7 groups of alarm messages 3 zones for wired detector 16 zones for wireless detector 2 outputs, can be used with external circuit to control home appliance Easily set ON or OFF for every wired or wireless detector SMS inform if external power failure or recovery Technical Parameter: Static Current: ≤ 20mA Alarm Current: ≤ 400mA Wireless Receiving Frequency: 433MHz± 0.5MHz/315MHz± 0.5MHz Wireless Receiving Sensitivity: 433MHz± 0.5MHz/315MHz± 0.5MHz Anti-interference: 1V/m(frequency: 20-1000 MHz) GSM frequency: 900/1800/1900MHz Outer Alarm siren volume: 110dB Working condition: Temperature: -10~50 Humidity: ≤ 90% Wired Zone: 3 Wireless Zone: 16 Basic component: - Alarm system (control unit) 1 PC. - Wireless PIR detector 1 PC. - Wireless door (gap) sensor 1 PC. - Remote controller 2 PCS. - Antenna 1PC. - Mini wired siren 110dB/0.3m 1 PC. - Power adpater 1PC. - User manual 1PC.