Get A Grasp Of Any Hostile Situation. The P1RZ-IB-DF is a combat flashlight with a brain. Our CombatGrip is designed and built specifically for tactical use in conjunction with a pistol, while our proprietary IntelliBeamA(R) technology automatically and seamlessly adjusts the virtually indestructible LED&';s output to the optimal setting - anywhere from 15 to 1,500* lumens - based on your environment, so there&';s never any hesitation or fumbling to manually set the output. Its smooth parabolic reflector creates a far-reaching, Hybrid beam with a bright central area and enough spill light to help you maintain awareness of your surroundings. Two simple clicks of the tailcap will override the auto-adjustment function for maximum output on demand. The P1RZ-IB-DF&';s click-on/off tailcap switch provides ergonomic, foolproof activation even under the most stressful conditions. With a high-strength aerospace aluminum body that is Mil-Spec hard anodized for extreme resistance to abrasion and corrosion, the P1RZ-IB-DF thrives in the harshest environments imaginable. Features IntelliBeam technology automatically and seamlessly adjusts light output from 15 to 1,500* lumens depending on environmental conditions. Easy, instant activation CombatGrip facilitates a secure hold when used in conjunction with a handgun Dual Fuel Precision micro-textured reflector creates smooth, hybrid beam to help you positively identify what&';s ahead and what&';s around you Includes a high-performance 3.6V 18650 lithium-ion rechargeable battery with MICRO-USB port (included) for ease of charging - no charging cradle needed Click-on/off tailcap switch provides ergonomic, foolproof activation even under the most stressful conditions Mil-Spec hard anodized aluminum body, tempered window & O-ring seals make the P1RZ-IB-DF rugged and durable Fits bezel-up in the SureFire V70 Polymer Speed Holster, which provides an excellent way to carry the P1RZ-IB-DF Includes a lanyard to enable the use of both hands during manipulations/reloading when the lanyard is looped around the support hand palm. Also makes it easier to pull the P1RZ out by the lanyard when stored in pants pocket