1. Made of high quality materials, , and comfortable to the touch. 2. Both front and back sides can be installed, left and right hand operation are not affected. 3. Silicone anti-slip pads are attached on the inside, which is comfortable, and odorless, and 't scratch the camera handle at the same time. 4. with a cold shoe interface, can be connected to fixed microphone, fill light and other accessories. 5. Doesn't block the use of remote sensing, buttons and charging port. Expandable by the bag clip, bicycle bracket, extension pole, tripod, headband, chest strap and other photographic accessories. open and close locking mode, different from other direct set into the style, the installation tightness adjustable, more solid and safe. Material: Aluminum alloy + plastic colour: Black Package Contents: 1 x Camera Expanding module 1 x Backpack clip 1 x adapter 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.