Match your HERO4 Session with any GoPro docking station Includes standard protective frame plus low-profile protective frame for ultra-compact helmets and rigs The protective frame offers multiple placement positions for the camera, making device installation more flexible Easy access to shutter and camera port in most installation setups Regardless of your installation settings, the integrated pin makes it easy to install and remove the camera Features: The frames allow you to easily mount your HERO4 Session on any GoPro mounting base. Includes a standard protective frame, plus a low-profile protective frame, perfect for helmets and ultra-compact installations. These two protective frames work perfectly in all situations, making the frames the most flexible and convenient way to install HERO4 Session. Note: When mounting your GoPro on a helmet, be sure to choose a helmet that meets applicable safety standards. Follow the helmet manufacturer's safety instructions. Includes accessories: A standard frame (attached to the bottom) A mobile base A pin Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!