... 16zone wireless 3zone wired 3,can send SMS,MMS, Call Base three bands, GSM 900Mhz, 1800Mhz and 1900Mhz, ... Numbers with room No., can call the owner, town police and monitoring center. Listen-in function: Can clearly hear ... and SMS to make it arm, disarm, listen-in and photo-taking. Can control the switch of light ... of wireless detectors or sensors save pictures in the SD card to provide for case