TELESIN POV Flash Dimmable LED Fill Night Light Underwater 30m Waterproof Diving Light Mount Kit Compatible with GoPro Hero4 Session/4/ 3+/ 3, can works with other GoPro accessories like a hand grip Waterproof up to 30m/ 98.4ft. Wide-angle. 300Lumen Max. (5500K-6000K) by 3 LEDs. 3 lighting modes, High/ Low light and SOS. Integrated GoPro mounting system. Battery capacity: 1050mAh. Running time: High light (1.5 hours); Low light (4 hours); SOS (6 hours).