VEVOR Diesel Air Heater, 8 kW DC12-24V, Fast Heating Diesel Parking Heater with Remote Control and Black LCD Switch, Low Noise, Pre-Heating Function, for RV, Truck, Camper, Van, Boat and Trailer Versatile Compatibility Low Fuel Consumption Wide Area Heating Long-Distance Remote Control Secure Connections ≤75dB Low Noise Fuel Consumption: 0.18-0.36 L/h,Fuel Efficiency: ≥90%,Operating Noise: ≤75dB,Operating Voltage: DC 12-24V,Item Model Number: CY-28,Applicable Altitude: Below 9843 ft / 3000 m,Adjustable Temperature Range: 32-104℉ / 0-40℃ (1-6 adjustable levels),Net Weight: 17.53 lbs / 7.95 kg (including all accessories),Product Size: 15.9 x 9.65 x 12 inch / 405 x 245 x 305 mm