Streamlight PolyTac Tactical Flashlight 600 Lumens, Three Brightness Modes The Streamlight PolyTac is a innovative flashlight with three brightness settings and a strobe mode capable of emitting a max lumen output of 600 lumens reaching 214 meters away. Powered by CR123A batteries, the PolyTac has amazing run times lasting up to 34 hours on low. TEN-TAP® Programming As with other popular Streamlight flashlights, the PolyTac is equipped with the TEN-TAP® Programming option for personalized lighting. This gives you the option to reprogram the light from it's standard default option mode (high, medium, low) to only the modes you use most. Rugged Build The PolyTac flashlight is a rugged all purpose light, designed to withstand extreme and daily use. The body is constructed from high impact nylon polymer and has a drop resistance of three meters. Its single tail switch allows for one-handed operation - ideal for walking the dog, law enforcement, utility work, and much more.