Outside Supply carries a full line of Transfer Switches and other Inverter Accessories. This is a really nice transfer switch that is almost completley wired for you. It has a plug on the inverter input and also has the charger input run to an AC outlet on the side. Simply hook up the shore power and run the output and your redy to go. Even though this unit is almost completey wired for you, you really need a pretty good understanding of electrical wirin to install. We suggest hiring an electrician to install all electrical devices in your RV.