In the shooting process, the small screen of the camera cannot meet the accuracy of our picture monitoring, so in more professional shooting, an external monitor is needed to enlarge the picture, so that the photographer can monitor the shot picture more accurately. A connection is required between the camera and the monitor. The quick-release angle bracket is an angle bracket that can be adjusted and quickly removed. Through this small square, the angle of the monitor can be adjusted to be suitable for viewing from various angles. At the same time, when using the mobile phone as a monitor, the quick-release structure allows users to quickly disassemble the mobile phone.