All Aluminum Alloy Material: Super good quality, It is made of all aluminium alloy material, making the user more stable and more assured. Cold Shoe Mount Design: On the top of the tablet tripod mount, a cold shoe mount design can attach a microphone, LED video light, or other devices for vlogging and live broadcast. Arca-Style Quick Release Plate: The bottom and back of the tablet Clip have Arca Swiss Standard design. You can directly install it on the tripod head for portrait or landscape-one 1/4" screw hole on the bottom and three 1/4" screw holes on the back. You can directly install it on a tripod, tripod head or other equipment with a 1/4" screw. Broad Compatibility: The tablet holder for tripods expands from 5.11 inches up to 9.06 inches. Double Secure: The main knob on the back can directly lock the device, and the fine-tuning knob on the top can strengthen the locking, making everything more secure. This prevents the device from shaking or falling.