Warranty 1year.Max Motor Speed 12000RPM.Switch Type Slide.Application General Grinding and Polishing.Voltage 220V, 220-240/50-60Hz.Grinder Type Cordless Angle Grinders.For Use On General Purpose Grinding.Power Source Electric.Customized support OEM, ODM.Product name Hand held rechargeable lithium electric angle grinder.Rated voltage range AC single-phase and DC below 50V.Angle grinder model Compact angle grinder.Scope of application Metal stone cutting and polishing.Enclosure Wrench handle shield.Power supply type Rechargeable lithium battery.Supply voltage 21V.Saw blade diameter 100mm.No load speed 9000r/min.Grinding force 50m.