... Electronic Devices by SMS Wireless Remote Control on off switch to Switch off Electronic Devices by SMS Name: GSM SMS ... gas pipelines; 10. Corrosion protection11. Temperatures, water leakage applications;12. Wellheads, boat, vehicle;13. Energy saving, street lights control ... Sensor, PIR Motion Sensor, Smoke Sensor, Gas Leak Sensor, Glass Break S, , ensor, Shock Sensor, Power failure sensor, etc. ...