OLIGHT Olight-M3X-XML2 Triton Cree LED 1000-Lumen Flashlight, Black Power source-3x lithium CR123A/Li-Ion RCR123A or 2 x 18650 protected Li-Ion Run time - HI: 1.2 hrs LO: 5 hrs Output - HI: 1000 LM LO: 300 LM Material - Aluminum body with anti-scratching type III hard anodizing finish Power source - 3 x Lithium CR123A / Li-Ion RCR123A or 2 x 18650 Protected Li-Ion Bulb - High performance CREE XM-L2 LED Output - Hi: 1000 lm Lo: 300 lm Run Time - Hi: 1.2 hrs Lo: 5 hrs