eGear XT S2 Tactical Hand Torch Tactical Flashlight that generates 80 Lumens Brightness using a Luxeon 3-Watt LED unbreakable bulb, which NEVER needs replacing DC-DC Regulator circuit maintains stable light output for duration of use Tactical Switch - Momentary or Constant On with Safety Lockout Switch to prevent accidental activation Water-resistant O-ring sealed aluminum case Runs on 2 AA Batteries (included) for a 1 Hour runtime