D&F Underwater Flash Diving Light 40M Waterproof with 3 LED Dimmable Flashlight Built-in 1200mAh Rechargeable Battery for GoPro Hero 6/5/4/3+/3, SJCAM,SJ4000 SJ5000 Yi & Other Action Camera Perfect Waterproof: Waterproof up to 40m(Maximum), it can shoot clear undersea photos, such as star, fish, coral while diving Large Battery Capacity: 3.7V 1200mAh, with builted-in rechargeable battery charging, Pow consumption: Normal 80 minutes; power saving 6 hours; flash 7 hours Wide-angle: 300Lumen Max. (5500K-6000K) by 3 LEDs. 3 lighting modes:Normal(HI) Power saving(LOW), Flash(SOS) Perfect use for environment where need lightlike walk at night,camping,diving etc.When LED lights is ON, please DON'T look straight. You can use it on the waterproof case of GoPro Hero 7/6/5/4/HERO(2018)/Fusion, SJCAM,AKASO,Campark, Yi ect. It can works with other action camera accessories, like a hand grip