... back-up light * Max. 51 sensors Wireless/wired house guard alarm system (LS-GSM-007) Features:* Group SMS ... the panel can set to communicate: after alarm dates transmitted, the Center Station operator can directly ... prompt for every step* 44 wireless zones, 7 wired zones* Max 51 sensors (9 in Zone-1, ... battery, built in siren, time IC Standard package:* Alarm Panel: 1* Remote Controller: 2* PIR Detector: ...