SureFire Minimus Tactical Variable-Output LED Headlamp Tan
http://www.amazon.com/gp/product/B00CQ7BIX8?tag=sukses2015-20
Virtually indestructible LED emitter regulated to maximize output and runtime
Variable-light output dial controls levels from 0 to 100 lumens
Proprietary refractive optic produces a smooth wide beam optimized for your field of view
Built-in SOS beacon can run for days on end
Light assembly rotates up and down 90 degrees to direct light where needed