1.9W 160 LM 38pcs USB LED Flash Light Ring For GoPro Hero 4 Session  Feature:<br>Power: 1.9W Luminous Flux: 160 LMLED: 38pcsThe interface is USBIt will resolve the problem for you for shootingNon-waterproof and only use for GoPro Hero4 sessionYou will never worry about shooting during the nightThis LED light is designed for GoPro enthusiast， totally new arriving Weight: 0.033kg<br>Package included:<br>1 x LED Lens Ring With the USB Cable (Not included Camera)1 x Velcro Wrist Belt (NO Retail Box. Packed Safely in Bubble Bag)<br>Detail pictures: