This canister dive video flashlight utilize USA CREE XM-L2(U4) LED, max 1000 lumens output. Magnetic switch design is not only operate easily, but also satisfy your multi modes output requirement. Nitesun DIV09V is powered by 3 X 26650 lithium batteries that runtime can arrive 12 hours. Rate to the 200m depth underwater and three O-rings good sealing construction, plus 120° degree beam angle, it is one of the powerful dive video lights for your underwater photography lighting.