The surface is treated with anti-oxidation, and the appearance is smooth and beautiful. Used for projector wall mounting and ceiling mounting brackets. Suitable for most projectors. Can bearing 3.6kg/8 lbs Telescopic design: height can be adjusted freely, easy to install and adjust. It is easy to assemble the projector mounting bracket and will not occupy space when not in use. When extension is required, pull out the inner rod, rotate the telescopic fixed valve clockwise and tighten it. It supports 360 ° horizontal rotation and 180 ° angle adjustment of the ball joint. Tighten the anti pull cable to adjust the fixed valve and fix the angle.