... Standby last >4 hours Description: Our GSM burglarproof alarm system which have GSM network protection, short message sending ... remote electricity control, etc. Compatible with CCTV surveillance and centre monitoring system. 1. Wireless type, easy to install ... are Home PSTN/GSM Security Alarm System, 3G Alarm System, GSM Power Alarm, Video Monitoring system, Wireless Remote controller, RF Transmitter ...