1.LCD display screen, clearly show the speed.
2.Adjustable Rotation Direction(Forward / Reverse)
3.Built-in battery design, rechargeable and reusable. The drill heads can be easily put on and off without extra tools required.
4.Adjustable speed, easy to control and operate.
5.Stable high speed, low noise and no vibration.When adjusting the speed from 0-30000 RPM:(MIN to Max),it is quite enough, the grinding is extremely fast
6.Mini size and light weight portable, easy to carry. 1 piece ceramic nail drill bits for different polishing and grind