... / USB Wireless Remote Control on off switch to Switch off Electronic Devices by SMS Wireless Remote Control on off switch to ... system;14. Valve controls;15. Transformer stations; 16. Unmanned machine rooms;17. Control room application;18. Automation System, M2M;19 ... Sensor, Oil Overflow Level Sensor, Water Leak Sensor, Temperature Sensor, Door Sensor, PIR Motion Sensor, Smoke Sensor, Gas Leak Sensor, ...