Support gsm frequency 850/900/1800/1900 mhz, 315/433 mhz optional With color lcd show screen and keyboard on the host. 88wireless guarding zones, 6 wired guarding zones; Send sms and call to 5 mobile phones automatically while alarming. Talkback function: can speak with field person. Record function: maximum recording time:20s Timing arm/disarm function. Arm/disarm and program the system by control keyboard on the mainframe & phone & sms & remote controller With standby rechargeable battery. The host automatically stores system status, while its power is off. Packaging weight: 1.3kg Packaging dimension: 290(l)*270(w)* 85(h) mm Standard package included:g50b mainframe x1?wireless pir
