The Streamlight 4AA Propolymer Flashlight is a tough, lightweight, affordable, alkaline battery-powered personal flashlight. It is ergonomically shaped for your hand and offers push-button switching for one-handed operation (no two-handed head twisting required). It uses one high-intensity xenon bulb that provides up to 11,000 peak beam candlepower at 34 lumens. The Streamlight 4AA Propolymer Flashlight has a virtually indestructible, non-conductive and corrosion proof polymer case with a scratch-resistant face-cap and an unbreakable polycarbonate lens.