1. Installed on a suspended ceiling, suitable for most environments, such as hospitals, supermarkets, subway stations, etc. 2. Can also be mounted on a wall. 3. The length of the telescopic pole can be adjusted manually to meet your needs for TV height in different environments. 4. 30-degree tilt angle adjustment to meet your needs for different vision. 5. The screw lock design increases the stability between the board and the hook. 6. The wiring design in the tube, the wire is not exposed, and the farewell problem of the wire is farewell.