Frame Could mount on bicycles, hand rack, helmet, chest belt, etc Easy to install, portable to take it with you Specifications:6.9*2.9*7.3cm 2.72*1.14*2.87in Color: black Material: PC+ABS Compatible : For GoPro hero 8 Black Function: protector, heat diipation your camera Side cover Side cover The product is brand new and has premium quality Made of high quality plastic/aluminum, environment-friendly, safe, lightweight and durable The battery cover does not hurt the body, built-in sponge has good cushioning, shock resistance, effectively prevents the battery against loosene Charge while shooting, no need to worry about bad battery contact or even dropping, easy to use The battery cover has safe external adapter, reserving the interface, so it allow your camera to be directly charged or connected to the microphone adapter without opening the side cover Real machine open mold, precise machining, the battery cover is easy to install and remove. It can be installed with a simple pre of the alignment, and can be removed with a snap Specially designed for GoPro Hero 8 sport camera Package include 1 x Protective Frame for Gopro Hero 8 1 x Long Screw 1 x Base 1x battery side-open cover Note:Please refer to the option to make sure what you real need.