1. Strap design and upgrade bracket easy to install easy to disassemble.Anti-slip design stable mount adjustable belt.NOTE:NOT Include the screw. 2. Universal for various motorcycle helmets on the market which can help users securely mount a sports camera or driving recorder on the helmet 3. Compatible with DJIGoPro Hero 6 Hero 5 Black Hero4/3+/3 Hero 5 Session Hero 4 Session Hero Session Xiaomi Yi SJCAM AKASO Campark Polaroid & other action cameras 4. Easy to install and remove.Provide perfect angle for POV shooting Colour:black Material:Silicone + ABS Size:10*9cm Package Contents: 1* Helmet Chin Mount HolderOnly the above package content other products are not included. Note: Light shooting 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.