1.Flexibly switch between two perspectives and create at will. 2.The quick-release accessory in combination with the clasp firmly secures Action 3/4. 3.Magnetic Snap Fastener,Instantaneous adsorption, quick installation, press the fastener to detach at any time. 4.Magnetic folding desig,magnetic positioning, firmly attached without falling off, easily foldable when needed. 5.Bottom dual interface design, 1/4 screw hole, compatible with Action 3/4 expansion accessories. 6.The weight is only 0.94oz(27g)and the thickness is only 0.61in(15.5mm),making it more convenient to carry. 7.Shockproof Silicone Cushion,Fearless of cycling vibrations, further securing the camera to cope with high-intensity vibration scenes effortlessly. Colour:Black Material:Aluminum Alloy Package Contents: 1 x Camera Quick Release Mount Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.