Welcome to my store, I hope you like it! Smarter Shopping,Better Living! Material: plastic + metal Color: The color of the picture Size: Approximately 18cm × 3.5cm Weight: 160g, 220g, 280g Battery capacity: 700mAh Charging time: about 2h Battery life: about 1h Clamping range: 1-3mm Three kinds of speed: 5000rmin; 10000rmin； 15000rmin Output voltage: 3.6V Rated input power: 22W Features: Three speed speeds, to meet different needs. Suitable for grinding, polishing, engraving, rust removal, drilling, cutting, etc. Package includes: 2pcs/set: 1PCS × host 1PCS× ceramic grinding head 1PCS× USB cable 15pcs/set: 1PCS × host 8PCS × sanding bands 5PCS × grinding head 2PCS × rubber wheels 1PCS× USB cable 50pcs/set: 1PCS × host 6PCS× Grinding Wheel Cutting Disc 10PCS × sandpaper 2PCS × grinding wheel grinding disc 4PCS × wool wheel 4PCS× flat brush 2PCS × milling cutter 2PCS × grinding needle 5PCS × grinding head 2PCS × rubber wheels 10PCS × sanding bands 2PCS × Connecting Rod 1PCS × drill bit 1PCS× USB cable Note 1. Due to differences in light and screen adjustments, the color of the item may be slightly different from the picture. 2. Due to manual measurement, please allow 0.1-0.3 cm measurement deviation. Label: Yes It's a great honor to have your visit. I hope you enjoyed your shopping!