1. The main frame is all aluminum alloy design, the internal material of the hose is aluminum alloy + stainless steel gooseneck tube, firm and durable 2. Slide structure, precise adjustment, to obtain excellent Angle 3. Complimentary storage bag + mountaineering buckle, convenient for long-term with external charging bank 4. compatible with motion camera, panoramic camera, mobile phone and other equipment. Net weight:172g Max load:300g How to use 1. Mount the sports camera/phone. 2. Bend the 4 hoses into the right shape and hang them on the net. 3. Loosen screws 2 and 3, adjust to the right position and tighten it. 4. Sports camera 1 mobile phone installation is complete. Colour:Black Material:Aluminum alloy + stainless steel + silicone Size:About 401x110x34.2mm Package Contents: 1 * Arm Bracket 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.