PULUZ Housing Case Shell CNC Aluminum Alloy Protective Cage with Cold Shoe Mount + Back Cover + Lens Cap for GoPro HERO4 Camera Can mount UV lens, filter lens and polarizing lens of diameter 37mm A fixed seat, easy to install; 1/4 inch screw hole, compatible with any tripod Good heat dissipation performance can prevent camera from damaging caused by overheating Aluminum alloy material makes it solid and durable to protect your camera from hitting and crashing CNC injection molded, stable deformation, for aerial photography, you will not worry about the impact of the wind