1、DROP PROOF: The Replacement side door provides access to the USB port, while the battery and storage card are securely covered by the door without fear of the battery falling out. 2、RESERVED CHARGING HOLE: You can use the Type C cable to charge the for Hero 10, for Hero 9 camera without removing the battery cover. It's great for burst shooting, especially for recording time lapse or video. 3、PROFESSIONAL DESIGN: Charging Port Flip Cover. Open the cover to start charging, and when charging is over, close the cover to prevent dust from entering through the charging port. 4、PREMIUM MATERIAL: This battery cover is made of high quality CNC aluminum alloy, which is lightweight, fits perfectly and is durable. Built in EVA foam matte to provide better protection for the battery. 5、EASY INSTALLATION: Quick installation without any tools. Keep your camera safe and secure at all times. The snap lock for opening the side cover has an automatic reset function. Flexible metal spacers allow secure side door installation. 1 x Battery Cover Item Type: Battery CoverMaterial: Aluminum AlloyColour: BlackParameter: 1. Material: Aluminum Alloy, Durable and Exquisite Workmanship 2. Good Heat Dissipation Performance to Prevent the Camera from Crashing Due to Overheating. 3. Light Weight, Durable and Good Protection. 4. with Type C Charging Port, It Can Be Charged Without DisassemblyCompatible: For Hero 9 , For Hero 10