... 3.wireless remote control 4.2 Input / 2 Output / USB GSM intelligent controller for car alarm security system( 2 Input / 2 Output ... / USB Ports) Name: GSM SMS Controller-Alarm (2I/2O/USB Ports)Remote switching machines with a SMS ... Level Sensor, Water Leak Sensor, Temperature Sensor, Door Sensor, PIR Motion Sensor, Smoke Sensor, Gas Leak Sensor, Glass Break S, , ...