MaximusThe headlamp that will get you over any mountain or through any cavern Dial up from 1 to 1,000 lumens of shadow killing illumination Tough, lightweight magnesium housing withstands abuse Extreme conditions call for extreme measures. The rechargeable SureFire Maximus handles them by delivering an amazing 1,000 lumens of MaxVision Beam shaped light that can be dialed down, lumen by lumen, to give you just the amount you need. Keep it on lower settings