Item Type: Sports Camera Helmet Fixed Mount Material: Aluminium Alloy Color: Black Product Size: Approx. 40.5x46mm / 1.6x1.8in Applicable: Universal for Hero for Xiaomi Yi for GITUP and Other Sports Cameras Package List 1 x Sports Camera Helmet Fixed Mount All data are measured manually, and there are certain errors in the measurement results. 1APPLICABLE OBJECTS: Sports camera quick release helmet fixed mount adapter is universal for Hero, for Xiaomi Yi, for GITUP and other sports cameras. 2FUNCTION: Sports camera helmet fixed mount is convenient for connecting your sports camera to any helmet equipped with a mounting plate for night vision goggles. 3ALUMINUM ALLOY: Action camera helmet fixed base holder is made of premium aluminum alloy material, which can be firmly used as a mount and not easily oxidized. 4OUTDOOR USE: Sports camera helmet fixed holder has a wide range of applications, can be mounted on the helmet for skydiving or outdoor riding use. 5EASY TO INSTALL: Action camera helmet fixed adapter is easy to install and use, through the screw fixed installation, a firm connection, portable and compact easy to carry.