Runtime: High (800LM) 1.5hrs, Middle 3.5hrs (400LM), Low 7hrs (200LM), Smart (100LM> 200LM with flash output in Day) 38hrs; (400LM with steady output at Night) 3.5hrs, Flash 33hrs (100LM)
Battery: Li-Ion polymer battery (2600mAh)
Water resistance: IPX6
Certifications: ANSI-Standard FL-1