LIGHT MODES<BR> Turbo (12,000 lumens): 30 second intervals* / 220 meters<BR> High (7,000 lumens): 2 hours / 164 meters<BR> Medium (3,000 lumens): 3 hours / 114 meters<BR> Low (300 lumens): 12 hours / 36 meters<BR> Strobe (12,000 lumens): 2 hours / 220 meters<BR>