How to install the light - emitting tube for Mechanical Ring II: Shadow Raider

1. As shown in the video, firmly pinch the outer ring and the lower part of the inner ring with your fingers, then rotate the detachable upper part of the inner ring (distinguish which is the detachable upper part of the inner ring according to the video tutorial) counter - clockwise.

2. After opening, remove the white washer, and then you can see the holes for installing the light - emitting tubes.

3. Insert the light - emitting tubes into the corresponding holes one by one (a total of 12 light - emitting tubes of 1.5x6mm can be installed).

4. After the installation is completed, put the white washer back, and then screw on the removed inner ring again.