JETBeam WL-S1 LED Flashlight Cree XM-L2- Runs On 2X CR123A or 2X 16340, 900 lm Designed for outdoor camping, hiking, fishing, reading and much more Two switch function- tail cap and side button for easy selection access 7 Modes to choose from, 5 modes for illumination, 2 modes for tactical (strobe and sos) Reflector made with new digital optics system and crystal penetration technique to ensure 260m beam