... GSM New & Hot 3G Video Monitoring Alarm System 3G3 3G Intelligent Video Alarm System PH-3G3 Information:This product adopts the ... super market,office,office premises,warehourse,base station,kindergarten,schoolroom,business hall,bank,financial office,work shop,villa and government etc ... .it is installed where the video alarm system are needed. Features:Support 2G GSM 850/900/1800/ ...