Specifications:NameMultifunctional Mini Lithium Electric MillBattery Capacity1500mahVoltageDC 3.6VPower3.2WSpeed5000-18000 / minChuck DiameterΦ3.2mmNet Weight0.25kg Feature:▲ One hand operation is small and convenient, light weight, small volume, easy to carry, easy to operate and effortless.▲ It ca..