Front: 110 PEAK LUMEN 1.5 HR RUNTIME (70 LUMEN - MAX STEADY) 10 HR RUNTIME (110 LUMEN - FLASH) 60 HR RUNTIME (20 LUMEN - ECO FLASH) 25 GRAMS EYESAVER MODE Rear: 50 PEAK LUMEN 1.4 HR RUNTIME (30 LUMEN - MAX STEADY) 7 HR RUNTIME (50 LUMEN - FLASH) 40 HR RUNTIME (10 LUMEN - ECO FLASH) 25 GRAMS