This item Happybuy 2KW Diesel Heater 12V 2KW Diesel Air Heater Muffler 2KW Diesel Air Heater with Knob Switch for RV Motorhome Trailer Trucks Boats VEVOR Diesel Air Heater All in One, 8KW Diesel Heater 12V, Fast Heating, Diesel Parking Heater with Black LCD & Remote Control for RV Truck, Boat, Bus, Trailer and Motorhomes