VEVOR Diesel Air Heater, 8 kW DC12-24V, Fast Heating Diesel Parking Heater with Remote Control and Blue 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-30,Applicable Altitude: Below 9843 ft / 3000 m,Adjustable Temperature Range: 32-104℉ / 0-40℃ (1-6 adjustable levels),Net Weight: 18.3 lbs / 8.30 kg (including all accessories),Product Size: 16.22 x 7.09 x 16.14 inch / 412 x 180 x 410mm