Features: Effortlessly attach and detach for Pocket 3 with the magnetic release system, featuring easy installation and one button unlocking. Crafted with ABS and antislip silicone pad, this mount grips backpack straps/rail while supporting spring lock teeth. Ideal for vloggers and action photographers during dynamic movements like hiking or exploration. Capture smooth content while walking or running with damping, enabling horizontal/vertical and adjustments. Expand creative possibilities with 1/4inch screw and cold shoe mount, suitable for tripod, extension rod, microphones, and LED lights for professional grade filming setups. Specifications: Component:ABS Size:Approx.101x63.50cm/3.97x2.5inch Package Includes: 1 Set Expansion Adapter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.