The Streamlight Polytac LED Flashlight is a super tough impact resistant polymer flashlight. The nylon polymer body provides exceptional durability and is o-ring sealed at all openings for weather resistance. The C4 LED technology is impervious to shock and provides 275 lumens of illumination. With the tail cap push button switch, one handed operation is a snap. Lightweight, bright, and durable, the Polytac is a great light for a wide variety of applications.