1.RF Remote Control System 2.RF Remote control 3.wireless remote control 4.2 Input / 2 Output / USB Wireless Remote Control on off switch to Switch off Electronic ... Level 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, etc ...