Super Bright & Wide Beam Angle White Led lumen: 6 * 4 XML2 = 7200LM; Blue Led: 4 x blue R5 = 240LM; Red Led: 4 x R5 = 240LM, the max diving depth is 80m/262ft under water. 120 degrees wide beam angle, suitable for underwater photography and supplementary lighting. White/Red/Blue LED creating a great light for viewing all types of sea lifePower 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. LED light is blue when power is sufficient, led is red when the power isinsufficient7 Modes & 2 Switches White light switch mode (the left power key): High / Middle / Low / OFF (Long press the button for 2 seconds at any mode)Red and blue light switch Mode (the right power key): Red / Red slow flash / Blue / Red fast flash (double-click the button at any mode) / OFF (Long press the button for 2 seconds at any mode)Multi-protection Function & Durable Reverse polarity protection is to prevent from installing battery wrongOver-heat protection function, preventing high temperatureAluminum alloy material to improve corrosion resistance, oxidation resistance, non-slip wear resistanceConvenient HandleDesigned with a tough handle for easy carrry, also convenient for other outdoor activities like camping, fishing, hiking, caving, exploringnight fishingseeking survivaletc