... / 2 Output / USB GSM intelligent controller for car alarm security system( 2 Input / 2 Output / ... , controlling gates, switching of remote equipments, car parking systems. Actually the GSM SMS Controller ... Sensor, Oil Overflow Level Sensor, Water Leak Sensor, Temperature Sensor, Door Sensor, PIR Motion Sensor, Smoke Sensor, Gas Leak Sensor, Glass Break S, , ensor, Shock Sensor, Power failure sensor ...