Designed for ACTION4 and ACTION3, compatible with for ACTION4 and ACTION3, ideal for professional creation,Side flip cover design, easy to disassemble and assemble, quick installation, precise tightening One-second adsorption, seconds to disassemble and take out, reserved opening at the bottom, retaining the magnetic quick-install function of the host, quick connection to DJ official accessories,Quick switching between horizontal and vertical , unlocking more possibilities, 1/4inch positioning threaded hole designed on the side for tripod adapter interface Anti-loosening design, anti-slip rubber pad embedded in the cage to prevent camera scratches, all-round protection of the camera, no shaking space,Hollow weight reduction design, hollow design on the side, top and bottom, greatly reducing weight, only 50g,Made of aluminum alloy, light and sturdy, stable and Cold shoe and 1/4inch-20 threaded hole for connecting other accessories such as microphones and lights,Does not cover Type-C, charging port, speaker hole, switch button, smooth operation, easy battery replacement The appearance of different batches , which does not affect the use Colour:Black Material:Aluminum Alloy Package Contents: 1x for Action 3 Flash Extension Cage 1x Hexagonal Wrench 1x Aluminum Alloy Two-Card Holder 2x M3 Screws 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.