Nitecore CREE XML2 900 lm LED Flashlight Secondary Red with 18350 Battery, Black, Left/Right 900 Lumen max output with 5 brightness modes, 3 flashing modes, and secondary red LED Max runtime of up to 20 hours on low using 1x CR123A battery Compatible with primary CR123A / RCR123A / Rechargeable IMR 18350 battery Dual switch design for ease of use and direct access to Turbo, Ultra-low, Strobe, and Red LED outputs Includes bonus 2x NiteCore IMR 18350 batteries