The super jet fan is compact, , 4-Gear adjustable speed. The maximum speed output airflow of 30m/s, rotate up to 130,000 RPM. Quickly dry the , suitable for any needs of you. Pocket-sized design allows you to take it with you wherever you go, whether you are on a camping trip or out cleaning. Push-button speed control, can be adjusted according to the requirements of use. Easy and convenient operation, greatly improve your cleaning efficiency.(Need to bring Battery) The electric air duster is made of high hardness, high temperature material with strong power, excellent durability and long service life. It is a multi-functional cleaning tool for home, car and office, suitable for carbon fire blowing, industrial dust blowing, dust blowing, keyboard cleaning, car and motorcycle cleaning, car center console cleaning, car crevice cleaning, foot cleaning and so on. The blower is controlled by only 2 buttons, 1 button controls the on/off switch. The other button changes 4 speeds: 8M/S, 17M/S, 25M/S, 30M/S Parameter 1: When fully , The air outlet is 10cm away from the speedometer, and the four-speed wind speeds are: 8-17-25-30 meters/second; The air outlet is 20cm away from the speedometer, and the four-speed wind speeds are: 5-10-15-18.5 meters/second; The distance between the air outlet and the speedometer is 30cm. The wind speeds in the four gears are: 4-8-12-14 meters/second. The maximum wind force is almost converted to 0.2KG. Parameter 2: Input 18-22V tool lithium battery (14.4V is ), Current 2-15A, There are 4 levels in total. and hold to open ~ click to change gears ~ 4 levels of wind circulation are respectively 20W, 60W, 100W, and 160W Colour:Photo Color Material:plastic Package Contents: 1 x Jet Dry Blower 2 xnozzles(Battery NOT Included) (one of which is already installed)