... Standby last >4 hours Description: Our GSM burglarproof alarm system which have GSM network protection, short message sending function ... , etc. Compatible with CCTV surveillance and centre monitoring system. 1. Wireless type, easy to install, without ... products are Home PSTN/GSM Security Alarm System, 3G Alarm System, GSM Power Alarm, Video Monitoring system, Wireless Remote controller, RF Transmitter/ ...