Description: Introducing the helmet holder, a versatile accessory designed to enhance your sports camera experience. With three card slots on the top for seamless camera assembly and additional slots for accessories, this holder offers a wide range of applications. The sliding upper cover allows for quick and easy installation on most helmets in the market. Experience anti-loose and shock-proof technology with the upgraded helmet mount, suitable for helmets ranging from 45.6mm to 46.6mm. The knob-type reinforcement ensures a secure fit, preventing any loosening during use. Simply click the seat in place and push the knob for secondary reinforcement. The ultra-thin slot design simplifies screw tightening, with a slot thickness of only 1.5mm on one side of the helmet base. This innovative design makes securing your camera effortless. Upgrade your sports camera setup with the helmet holder for a reliable and sturdy mounting solution. Item Name: Helmet Mount Material: Aluminum Alloy Suitable Model: for GOPRO 12/11 Features; Practical, Easy to Use, Long Lasting Size Details: L: 5.4cm/2.13", W: 4cm/1.57", H: 3cm/1.18" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Color Black: 1 x Helmet Mount Or Color Black 1: 1 x Helmet Mount 1 x Screw Three card slots for direct sports camera assembly and additional accessories, offering flexibility and convenience for various setups. Sliding upper cover design enables quick and hassle-free installation on a wide range of helmets, ensuring a secure fit without complications. Knob-type reinforcement system provides secondary locking after initial seat attachment, enhancing stability and preventing loosening during use. Ultra-thin slot design on the helmet base facilitates easy screw tightening, with a minimal 1.5mm thickness for effortless adjustments and secure positioning. Upgraded helmet mount with anti-loose and shock-proof features, compatible with 45.6mm-46.6mm helmets and sports cameras for reliable use in diverse activities.