The Streamlight 4AA ProPolymer alkaline battery-powered flashlight is waterproof and features (1) one Xenon module (batteries included). Specifications: light source - xenon, light output - 11,000 peak candlepower, bulb rating - 34 lumen, battery - 4 AA, run time - 4 hours, length - 6.5", weight w/ battery - 6.3 oz.