Model Number: HM-01A Key Specifications/Special Features: Features Suitable for smart phones ( w/our holder), digital camera, EDR to fix on bicycle or motorcycle. Universal helmet mount for cameras with standard 1/4 tripod thread base or GoPro base to mount to the side or top of a helmet/surface. The mount has a thumb screw and detents is repeatable using the quick release base. Features quick release mount with curved adhesive pad for mounting a camera to various helmet types. The 3M-VHB adhesive base mounts permanently to the helmet.