Small size and light weight, designed with comfort grip handle for better control during drilling. 3 speeds adjustable in the range of 5000-15000 r/min, with push button to change according to material. Excellent for cutting, engraving, milling, grinding, polishing, removing and drilling. Applicable material: metal, wood, plastic, modeling clay, jewelry, aluminum, etc. Power : BatteryCollect Chuck Diameter: 0.5-3.2mm Rated power : 10W Non-load speed: 5000-15000 r/min. Time: 2 hours Grinding Working time: max 1 hour : Woodworking/Polishing/ Engraving Output Voltage: 3.7V / 10ACCharging Voltage: 5V DC (USB) Weight: 183g Color: Red Material: ABS Size: Electric Drill Sleeve: 0.5mm, 1.5mm, . . 6 x Wheel Grinding Head Electric Drill Socket 1 x Storage Box Only the above package contents, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The permissible measurement error is +/- 1-3 cm.