Litheli 20V Cordless Leaf Blower 350CFM 2-Speed Turbine Electric Blowing Leaf for Lawn Yard Road Car, with 4.0Ah Battery & Charger

The battery leaf blower equipped with powerful copper motor and high-tech axial turbine tech, up to 85 MPH (125 ft/s) with max Our cordless leaf blower with 4.0Ah Li-ion battery supports strong blowing for up to 15 mins Roll the dial on top of the handle for variable speed control This battery powered leaf blower comes with no wires or gas, so you can take it anywhere freely and work without choking fumes  Litheli offers 5-year warranty for tool and 3-year warranty for battery & charger Question:Does it have a filter so can use this to blow dry a car and not scratch the finish? Answer:Unfortunately, our leaf blower does not have an air filter. Our technology is based on a direct flow, which preserves the brushless motor’s lifespan. However, our leaf blower is strong enough to quickly dry your car and the variable speed makes it gentle enough so that it won't damage your car.  Question:Can be used to clean a tractor trailer reefer or van ? Answer:Yes, our leaf blower would be suitable to clean a trailer or van since it equipped with variable speed and turbo, you may control the speed of the blower for low or high power. Question:The battery charger makes a noise when it is charging the battery, like a small motor running. Is this possibly normal? Answer:The charger will make a light humming when the fan is running. This helps keep the battery cool!