Traditional Culture Encyclopedia - Photography major - How to install the electric shaft for installing background paper in the studio? Is it using an external power supply?

How to install the electric shaft for installing background paper in the studio? Is it using an external power supply?

1. The main thing is to use a hammer drill to drill a few holes in the wall, and then insert the expansion screws into them.

The difficulty is not high, but it requires the cooperation of at least two people. , you can find casual workers who decorate houses on the roadside, they all have impact drills

2. The electric shaft is an external power supply, which is the ordinary 220V power supply in the room. The plug of the electric shaft is similar to the plug of the motor.