Specifications Color: Blue Material: ABS Style: Modern Motor Type: Pure Copper Motor Speed Regulation Mode: Infinitely Variable Speed Adapter Input: AC 100-240V 50/60Hz Adapter Output: 21V 1A Power: 200W Duct Diameter: 70mm/2.76in Wind Power: About 500g/1.1lbs Endurance Time: 15 Minutes Maximum Speed: 28000rpm Battery Type: Lithium Battery Battery Capacity: 13000mAh Product Size: 14.5*8.5*22cm/5.7*3.4*8.7in Package Size: 28.2*11.5*23cm/11.1*4.53*9.06in Gross Weight: 1.5kg/3.31lbs Net Weight: 1.3kg/2.87lbs Package Included 1* Car Dryer 1* Adapter 1* Battery.