【Three Lighting Sources & Wide Beam Angle】Features Neutral White, UV and Red light creating a great light for viewing all types of sea life. 15 White LED provide powerful 12000LM beam, 6 Red led are suitable for creative photography, 6x UV led can create amazing fluorescence of marine organisms; 120 degrees wide beam angle, suitable for underwater photography and supplementary lighting【Power Source】 This diving flashlight is powered by 4 x 18650 button top batteries( Batteries are not included). Please note that the flat head 18650 battery is not compatible with this flashlight【Ball Joint & Convenient Handle】 Come with a ball joint for easy mounting to any-camera system. Designed with a tough handle for easy carrry, also convenient for other outdoor activities like camping, fishing, hiking, caving, exploring，night fishing，seeking survival，etc【6 Modes & 2 Switch】 White light switch mode (the left power key): High / Middle / Low / OFF (Long press the button for 2 seconds at any mode)；Red and UV light switch Mode (the right power key): Red / Red Strobe / UV / OFF (Long press the button for 2 seconds at any mode)【Multi-protection Function & Durable】 Reverse polarity protection is to prevent from installing battery wrong；Over-heat protection function, preventing high temperature；Aluminum alloy material to improve corrosion resistance, oxidation resistance, non-slip wear resistance