Larger Base with a loading capacity 2kg. Rotate the fixed valve clockwise, and tighten it. The projector stand is easy to install and convenient to adjust. An integrated ball joint system allowing 160-degree tilt, 360°rotatable head for easy to adjust angle Fits with most projectors or other devices like mini projector, DLP projector, digital camera and camcorder, etc. EASY TO SETUP - Just drilled in 4 holes into the wall and set up the projector to your desired position then it was done. The size of the projector camera mounting bracket is 1/4inch screws, which is suitable for camera mini projector bracket use. If your projector is less than 2kg and has one hole with the screws diameter 1/4Inch in the projector bottom be suitable. Color:Black Material:ABS Package Contents: 1 * Projector bracket 1 set * accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.