Features: Magnetic : The magnetic quick release mount use powerful magnetic to attach and hold the camera in place, making set up and take down very quick and easy. This design is particularly suited to situations where frequent changes in position are required. Sreong connection: Despite the magnetic design, the connection is still very stable, keep the camera safe during all kind of activity. Portability: These accessories are usually to be lightweighted without adding burden and are easy to carry around. Double fixation: Magnetic plus fixation the camera for quick disassembly, flinging without falling. For Action 5pro/4/3 camera users, photography enthusiasts who love outdoor sports, travelling and photography. Specifications: Size:about 4x3.5x2.2cm/1.57x1.38x0.87in Component: Plastic For Action 5pro/4/3 Camera Package Includes: 1PC Quick-Release Adapter Mount note: Due to problems of lighting effects, there might be tolerances in product, please understand. Please allow 0-1cm error due to manual measurement.