... home Emergency button for kids old peopleDescription:1. Supports ONE/FOUR routs of cameras. 2. Phone call send ... password operation. 12.Self-contained user-defined ,Flexible system configure way, and be use at kinds of conditions. 13. ... main products are Home PSTN/GSM Security Alarm System, 3G Alarm System, GSM Power Alarm, Video Monitoring system, Wireless Remote controller, RF Transmitter/Receiver ...