SeaLife SL980 Underwater Photo/Video LED Light with Arm Bracket Waterproof up to 330 ft. (100m) Powerful 500 lumen LED light - Latest LED technology featuring 3 x 3W Cree XP-G R5 LEDs One button control for easy operation - One button to power light on/off and select light modes Quick-release -  Detach light from its arm for aiming into dark areas and discover hiding sea creatures Includes flexible arm and tray - Easy aiming with rubberized flexible arm and universal mounting tray Flash Cancellation mode - Light dims for 2 seconds when detecting external flash No hot spots - Soft, 70 degree light beam evenly illuminates the subject with no hot spots Effective Range - Video 2-3ft. (0.61m) Photo 1-2ft. (0.3-0.6m) Customized Light Modes - Select between 8 different light mode settings Flash Cancellation ON or OFF - Light dims for 2 seconds when detecting external flash Light Power Levels - Single power (100%) or 3 power (100%?50%?25%) or 3 power plus signal (100%?50%?25%?Blinking?SOS) Power Overdrive - Increase light power to 600 lumens for 2 minute Color Temperature  6,500K Depth tested to 300 ft (100m)  Guaranteed Coiled safety lanyard so you don't lose the light when it's disconnected from its arm Rubber hood for added shock protection against drops and rough handling Power Source  4 x AA batteries