The air conditioner is a kind of in-car air conditioner. It refers to the equipment that uses the on-board battery DC power supply (12V) to make the air conditioner run continuouslywhen parking andwaiting and resting, and to adjust and control the temperature, humidity, flow rate and other parameters of the ambient air in the car, so as to fully meet the comfort cooling needs of the truck driver. Specifications: Product name:Rooftop Air Conditioner Rated voltage: 12V Power: 300-800W Cooling capacity: 600-1700W Rated current: 60A Maximum current: 75A Battery requirements: ≥200A Refrigerant: R-134a(has been added) Electronic fan air volume: 600m³/h Noise:50dB(A) Mode: Cooling, Air supply Fan speed: 1-5 gears Main device size: 700×700×149mm(27.56×27.56×5.87inches) Interior panel size:670.