Compatibility: This side open housing case is compatible with GoPro Hero 11 Black / Hero 10 Black / Hero 9 Black action cameras perfectly. Better for Heat Dissipation and Audio Recording: This skeleton protective housing case reserved holes for camera microphones, which remained the excellent audio recording while protecting camera; The side open design allows you plug in/off the charge cable and microphone cable without remove the housing(Using with the side door with hole); The skeleton backdoor not only allows you touch your LCD screen without remove the housing, but also great help for heat dissipation when long time recording. Built-in Cold Shoe Slots: This protective case has 2 cold shoe slots, and it comes with 2 cold shoe adapters. It allows you to use GoPro Hero 11 10 9 Black camera with any accessories which has a cold shoe such as external fill light, microphone, and DSLR camera. It also allows you use your camera horizontally and vertically. Made of High-grade Materials: The skeleton housing shell is made of high quality PMMA plastic, which is sturdy enough to protect your camera from high impact drops, dents and scratches. The lens is made of high transmission tempered flat glass (light transmission rate of 98%) which delivers maximum sharp image and videos. Wide Range of Use: This skeleton protective housing case not only protect your GoPro Hero 9 / 10 / 11 Black camera from dust, scratches and shocks, but also ideal for climbing, walking, cycling and other outdoor extreme activities. Please note: It's not waterproof, please don't use it underwater.