Nitecore EC20 960 Lumens CREE XM-L2 T6 LED Brightness New Flashlight Using 1&times;18650 Li-ion Battery or 2 &times;CR123 Li-ion Batteries Compatible with NFR25, NFG25,NFB25, NFD25, NDF25, NTW25 Waterproof in Accordance with IPX-8(Black) Great brightness: maximum output of up to 960 lumens Powerful lighting effect: a peak beam intensity of 12,450 cd & a throw distance of 222 meters Durability: high efficiency constant current circuit board provides max runtime of 520 hours Security: waterproof in accordance to IPX-8 (two meters submersible) Innovation :single button offers access to seven brightness levels and modes