GP240 For GoPro Hero 3/3+/4 Action Camera Extension Rod 3-in-1 Helmet Extension Selfie Arm For GoPro expansion bracket: an expansion arm kit specially designed for GoPro Action camera,which is convenient and easy to connect to the bracket adapter. You can use it as a handheld stick or connect to other brackets,providing more installation options (different positions or angles) for GoPro shooting 3-in-1 arm group: 3 different lengths of arms: 68mm,88mm,108mm. You can combine any of them to ensure a good height or angle for shooting Durable and sturdy: Made of high-quality ABS material,lightweight but sturdy and stable,firmly installed,not easy to break,durable and durable Flexible adjustment: 3 arms are used to create different combinations,such as Z-shaped flexible adjustment,allowing you to set various angles for photography or video Specifications: Extension arm size: 10.8cm * 1,8.8cm * 1,6.8cm * 1 Weight: About 40g Material: ABS Compatible with: for GoPro Hero 4,GoPro Hero 3+,Gopro Hero 3,Sargo,Xiaoyi (need to match adapter on your own) Package included: 1 x 3-in-1 Extension Rod Other items not include