... ;5. Pumping Stations;6. Buildings and Real Estate; 7. Weather Stations;8. River Monitoring and Flood Control;9. Oil and ... Level Sensor, Oil Overflow Level Sensor, Water Leak Sensor, Temperature Sensor, Door Sensor, PIR Motion Sensor, Smoke Sensor, Gas Leak Sensor, Glass Break Sensor, Shock Sensor, Power failure sensor, etc ... RTU5011,Temperature UP DOWN remote control,24V DC Switch,NC NO sensor control