Descirption: 100% brand new and high quality Features: A professional and practical helmet camera mount holder basecompatible- for Hero 9 8 7 6 5 4 3+ 3, adjust its position for optimal perspective. Allows you to attach your action camera for Hero to any helmet outfitted with an NVG plate. Aluminum alloy material, the mount holder is durable and lightweight. Mounts your camera securely on the helmet for convenience recording the scenery while riding or bicycling. No tools required, easy to install and remove, a wonderful helmet camera mount kit accessory. Specification: Material: Aluminum Alloy + ABS Size: Approx. 46x40.5 mm/1.81x1.59 inch Color: Black Notes: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 Piece Fixed Mount Base 1 Piece Long Screw About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.