SureFire HS2 Minimus Vision - Variable Output LED Headlamp - 2012 Model (75/1 Lumens - 1.5/50 Hours) HS2-B-SL Virtually indestructible LED emitter regulated to maximize output and runtime Warm-colored light is excellent for penetrating dust and fog Light assembly rotates up and down 90 degrees to direct light where needed Variable light-output dial controls levels from 0 to 75 lumens Proprietary refractive optic produces a smooth, wide beam optimized for your field of vision