This 4 AA-cell flashlight is watertight to 500 feet with an unbreakable corrosion proof ABS body and hi-impact polycarbonate lens. Its Laser Spot Xenon® Lamp module gives an unsurpassed white collimated beam, which can cut through water, smoke, fog, and rain making it a perfect light source for all applications. The StealthLite has a one handed on/off locking switch plus a heavy-duty lanyard and is approved for FM, CSA, CENELEC, MSHA, and UL standards making the flashlight safe to be used in gaseous or electrical hazardous environments.