1.RF Remote Control System 2.RF Remote control 3.wireless remote control 4.2 Input / 2 Output / USB Wireless Remote Control on ... Buildings and Real Estate;Weather Stations; River Monitoring and Flood Control;Oil and gas pipelines; 10. Corrosion protection11. Temperatures, ... Level Sensor, Oil Overflow Level Sensor, Water Leak Sensor, Temperature Sensor, Door Sensor, PIR Motion Sensor, Smoke Sensor, Gas ...