ThruNite TN30 Flashlight - 3x Cree XM-L U2 - 3000 Lumens Max 3000 lumen output using 3 * 18650 batteries 3 Cree XM-L U2 LEDs with a lifespan of 20+years of run time Level 1: 1 lm. 1200 hrs; Level 2: 38 lm. 75 hrs; Level 3: 352 lm. 10 hrs; Level 4: 932 lm. 3.5 hrs Level 5: 1580 lm. 2.5 hrs; Level 6: 2780 lm. 1.2 hrs; Standby: 67 uA; Strobe: 2780 lm. 2hrs Max beam distance: 370 meters, Waterproof to IPX-8 standard, 2M