With this expansion frame, you can use any or aftermarket lens protector without affecting its use simultaneously. Once installed, the product requires no frequent removal. The battery and USB covers are hollowed out for reliable use. The bottom is hollowed out and connected, ensuring strength while maintaining compatibility with magnetic adapters and tripod mounts. The 1/4inch screw holes allow for tripod attachment. The top microphone and side speaker have openings for unimpeded playback and reception. A cold shoe mount has been added to the top, and 1/4inch screw holes have been added to the sides for expansion, allowing for more accessories and convenient use. Screw connections a secure fit and resist falling off. Color: Black Material: Plastic Package Contents: 1 * Quick-Release Frame Cage 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.