LARGE CAPACITY LITHIUM CELL THE BATTERY LIFEIS LONGER Lithium technology, fast charging, lasting power STEPLESS SPEED CONTROL AND WIND CONTROL: Adjustable gear, infinite speed speed wind size HIGH SPEED BRUSHLESS MOTOR: Strong power, and stable high temperature resistance MULTI-FUNCTION DUST BLOWER:Super hurricane The dust was swept clean SUPER WIND DOUBLE HELIX TECHNOLOGY:The hurricane hit and swept, clean of dust, Manufacturer: PokFhgur