Bestlight USB Port 38 LED Ring Shooting Night Flash Light Works for GoPro Hero 4 Session Cameras Compatible with GoPro Hero 4 Session Standard waterproof housing only (the housing features no screws on the outer housing around the lens) 38 LED ring light provides virtually shadowless lighting Energy-saving, high brightness, low power consumption and long service life Note: Please prepare portable charger, or connect to a USB port of PC, laptop, mobile power. Cameras and Waterproof Housing Not Included