Features:
-The electric hammer and the electric switch are switched with one button, and the two functions are suitable for different scenes.
-The three-dimensional cooling system has good ventilation and more stable motor performance.
-High-precision copper core motor with strong power, high temperature resistance and long life.
-30S quickly breaks the wall, the steel chuck, the drill bit is not easy to fall off.
- 360º rotary  sub-handle for easy use at different angles.