The Sea Dragon 2000 Photo/Video/Dive LED Light packs 2000 Lumens of brightness. Featuring a wide, 100-degree beam angle that"s perfect for cameras with a wide field of view, the light operates with only a single button and quickly adjusts between 3-power levels. Powered by a rechargeable lithium-ion battery, the Sea Dragon 2000 will run for a full hour at 100% power and constant brightness. Also included is an adapter mount to use with a GoPro camera. GoPro cameras are sold separately.