Features: brand new and high quality. The battery side cover is direct fit for Hero 10/9. Sliding the cover to prevent dust and splash of water or dirt. Provide full protection on the camera battery side. While the outdoor activities, the camera may encounter stones, dropping, shock and more issues, which will damage the camera and battery life. This battery cover is good choice to avoid such problems. Made of aluminum alloy material, good touch feeling, lightweight and protective. No need to worry about sharp objects any more. This Battery Cover is lightweight and small size, so it is portable and you can take it everywhere when you want to a long video. Specifications: Material: Aluminum Alloy Color:Black Application: For Hero 10/9 Size:Approx.50x18x10 mm/1.96x0.7x0.39 inches Package Includes: 1x Battery Side Cover