Color A-BLACK Compatible Devices for Camera Special Feature Lightweight Material Acrylonitrile Butadiene Styrene Item Dimensions L x W x H 12.2 x 7.9 x 2.3 centimeters Water Resistance Level Water Resistant Vehicle Service Type Car Age Range (Description) Adult See More About this item Extension Arm Kit: 2 short extension arms in the same direction (3.5cm), 2 long extension arms in the same direction (5cm), 2 screws More Angle Rotation: The adjustable swing arm can be adjusted to different angles according to your shooting needs, holding the camera and keeping it stable, helping you find the perfect shooting angle Wide Compatibility: Compatible with all GoPro Hero 11, 10, 9, 8, 7, 6, 5, 4, 3, GoPro Max and Osmo Action models, and other action cameras Wide Compatibility: The extension arm on one side can be connected directly to the action camera, and the other side is suitable for all types of accessories, such as all camera base mounts, bicycle handlebars, helmet straps, etc. Durable Material: The extension arm is made of quality plastic, the screw is made of quality plastic and stainless steel, lightweight and durable, convenient and easy to install