***** *****FINE WORKMANSHIP - Made by CNC aluminum alloy, the mount holder is durable and lightweight. *****EASY INSTALLATION - No tools are required, it's easy and quick to install. *****FPV - First person view. You can record the moments in the field training or honorable person CS games. *****Compatible with OPS CORE style and helmets outfitted with an NVG mounting plate. *****Compatible with GoPro hero 8/7/6/5/4 Black, Hero 5/4 Session, Hero 3+, DJI Osmo Action/Crosstour/AKASO/Dragon Touch/Campark/APEMAN and most action cameras.