Features: This helmet strap mount offer universals for other action cameras, featuring quick adjust buckle for easy installation on any vented helmet without tools. With upgraded buckle fixation and adjustable strap length, it ensures secure for various helmet sizes, constructed from nylon fabric and aluminum alloy for excellent wear resistance and corrosions protections. for outdoor sports enthusiasts such as cyclists, skiers, paragliders, and skydivers who need adaptable camera accessories for capturing high action moments during their adventures. for use in scenarios like cycling, skiing, skydiving, and climbing, this mount attaches firmly to safety helmets to enable landscape shots from dynamic perspectives in any environment. Its portable design minimizes added burden, making it effortless to carry and set up for uninterrupted recording of thrillings experiences in all weather conditions. Specifications: Materials: plastic, metal, nylon Size: as picture show Package Includes: 1PC Cycling Camera Buckle Helmet Strap 1PC Rotating Base 1PC 1/4 Adapter 1PC Screw note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.