The NovaTac EDC Programmable Series flashlights are designed for true flexibility. They can be programmed by the user to produce hundreds of light intensity and operational combinations. The EDC-85P and 120P offer a flat button and four configurable brightness settings ranging from .3 Lumens to 85 or 120 Lumens. The system has up to 22 available brightness levels in addition to three choices of signal levels (Disorienting Strobe, Emergency Strobe and SOS Signal). The NovaTac EDC P-Series Flashlight is the toughest, most versatile light you can buy.