No dust when you dirll the hole in the wall
Auto collection of the dust
It is easy to use it when you drill hole in the wall, there is no dust , when you use it ,the max hole would be below 10mm
How to use it ?
1 open the back cover
2 press the switch
3 wall mounting
The dust-proof switch can last the life of the sets,
What can be used for the sets?
the cordless drill, the hammer drill and so on