This is the Bigfoot Hydraulic RV Auto Leveling System. It is an option on many RVs today. The video below will explain how to properly use the Bigfoot System. In addition, it shows how to program your system so it understands what level for your rig is. This system joined with a LevelMatePro is the perfect combination to get your rig level with ease. You can also download the operating manual and a troubleshooting guide for the Bigfoot System below.