... Input / 2 Output / USB GSM intelligent controller for car alarm security system( 2 Input / 2 Output / USB Ports) ... GSM SMS Controller-Alarm suitable for below applicationsSecurity Alarm System applications; Supervision and monitoring alarm systems;Automatic monitoring system; Vending Machines ... Sensor, Temperature Sensor, Door Sensor, PIR Motion Sensor, Smoke Sensor, Gas Leak Sensor, Glass Break S, , ...