2 White Leds Provide Up To 400 Lumens Of Brightness (40 Lumens On Power Save). Upper Led For Long Range Spot (Concentrated And Bright Extended 125 M Beam). Lower Led For Close Up Flood (Wide And Scattered Beam) Or Use Both Modes Together (Spot And Flood) For Maximum Illumination. 100% Dimmable: Electronic Brightness Control By Holding The Button. Hold To Dim Function Works In Both Modes. Survives 7 M Drop