Features: Hollowed out wall bracket with threaded hole design, beautiful and not messy. L-shaped bracket, thickened design, not take up space. PTZ designing, capable of 360 degree horizontal rotation, with angle of 20 degrees up, down, left, and right. Aluminum alloy material, the appearance is exquisited and fashionable, lightweight. The PTZ is installed with standard 1/4 screws and is compatibility with multiple devices. Specifications: Material: aluminum alloy Color: silver gray, black Size: about 213. 4x82x126. 6mm/8.4x3.23x4.98inch Name: wall-mounted ballhead bracket Adjustment: vertical ±20°, horizontal 360 degree Connecting screw diameter :1/4 screw Load bearing: 4kg Package Includes: 1Pc Projector Wall Mount Bracket note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.