Turbocharging pure copper motor Turbocharging technology increases air volume Pure copper motor runs smoothly and has a longer service lifeUpgraded power display, no worries about battery life. Press the battery display button to check the power. The power is visualized, no more worries about battery lifeMagnetic black technology reduces weight and drag. Builtin magnetic in the air nozzle ensures stable adsorption and does not fall off, reducing weight and reducing wind resistance8000mAh lithium battery with long battery life. 4000mAh*2 dual battery design with stable voltage output. A good tool requires long battery lifeOnebutton start stepless speed change. Press and hold the switch to start. Speed control with one hand to control the lowend blowing ball without breaking the highend violent hurricaneProduct Name: Violent Turbo FanMotor speed: 140,000 turbine speedMaximum wind speed: 62 meters/secondBattery capacity: 4000mAh*2Battery type: 21700 battery cellColour:As ShownMaterial:ABSPackage Contents:1*Violent Turbo Fan1*Long Air Nozzle1*Charging Cable1*Chinese and English instruction manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/ 13cm.