Waterproof to 40 meters, ideal accessory for divers and the outdoor sport lovers

High-Low-Flash 3 modes switchable

The brightness is up to 350 Lumen

Dual battery chamber, powered by two Hero 4 batteries, providing longer working time

Can be used with floating bobber, hand grip monopods, head band, chest belt, etc.

Suitable for GoPro Hero6/5/4/4 Session/3+/3/2/1/sj4000/sj5000/sj6000/xiaomi yi