Features:new and high qualityUsing high-power motor, constant temperature technology, stable performance during high-intensity work, even if you work for a long-time, you will not feel fatigue.The outer is made of high-quality materials to prevent the machine from aging.High quality pure copper core motor provides strong suction and windpowerErgonomically designed, handle is non-slip, and will not hurt your hand after long-term use.13000-16000rmin wind speed adjustment, apply more scenes.Specifications:Material:PlasticPlug:EUUSBattery: 18V 4000mahRotational speed: 13000-16000 rminDuct diameter: Approx.3.3cm1.3inchesCharger parameters: AC100V-240V 5060Hz output: 21v1.5ASize:Approx.50x18x16.5cm19.68x7.08x6.49inchesNote:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.Package includes:1 Set Cordless Blower