1. Material: ABS
2. 2 speeds
3. Grinding head grinding, convenient and safe
4. Strong power and fast speed
5. Low vibration and low noise
6. Battery:a set of nickel-chromium rechargeable batteries, a single 1.2V, 400 mA
7. Diamond wheel, high strength and durable wear resistance
8. Unit weight: 0.25 kg
9. Dimensions: 13x2.8 cm