The SeeLeveL II™ RV Tank Monitor series is available in many different configurations to meet most any motorhome, fifth wheel or travel trailer tank configuration. Each system provides tank level information using a percentage of full readout. Detailed diagnostic information is available through the system monitor. Depending on your needs models will measure up to 4 holding tanks, propane, battery voltage and temperature. Other features are available to activate your pump, engage your water heater, interface with RV-C or sound an alarm. The latest model has Bluetooth® technology which allows you to view the levels on your mobile device.