Specifications for Big Blue AL900 Lumens LED light :
Light Source3 X LEDLight Output900lum adjustable to 90lumCasing MaterialAluminum alloy, anti-corrosive anodizedPower SourceLithium Ion Rechargeable Battery includedAngle Of Light Beam8 degree hot spot (periphery beam not measured)Safety DesignsDouble o-ring sealed, safety valveColor Temperature6500KAvailable ColorsBlackBurn Time2hrs at full 900 lumens, 5hrs at 450lum, 10hrs at 225lum, 20hrs at 90lumMaximum Depth100M testedSizeD 45mm x L 160mmGripHandheld with lanyardWeight259g in air (including battery)Bouyancy-116g (including battery)Switching SystemMagnetic rotary switch (O, I, II, III, IV, SOS)Transportation LockSliding lockFront GlassTempered optical glassLanyardIncluded