Hi everybody, Andy here with etrailer.com. Today, we're gonna take a brief look at this Lippert OneControl Propane Tank Sensor. Now, with this sensor, you can avoid running out of propane when you are on the road. This puck-style magnetic sensor attaches to the bottom of your propane tank and monitors your propane levels 24/7. This is for RVs with the Lippert OneControl system, and it can send… see more >