Helmet Extension Kit for GoPro Hero 1, Hero 2, Hero 3, Hero 3+, Hero 3 Plus, Hero 4 Camera - Black Compatible with GoPro Hero 1, Hero 2, Hero 3, Hero 3+ and Hero 4 cameras Made of high quality polycarbonate Strong and lightweight design; Free touch screen stylus pen is included (Random color shipped) Curved surface especially for helmet use Package includes: Helmet Extension Arm X 1; Curved Surface Mount X 1; 3M VHB Sticker x 1; Quick Release Buckle X 1 (GoPro camera, housing, helmet and other accessories are NOT included)