Nitecore P20i An Intelligent Tactical Flashlight Nitecore's P20i is a fusion of tactical and technological brilliance. The non-PWM beam offers 1,125ft of throw, and ranges from 1,800 to 35 lumens for versatile lighting. The jagged strike bezel is embedded with high-hardness silicon nitride ceramics. A tactical dual-tailcap design provides direct access to the strobe mode that uses randomized frequencies for an intensely dizzying effect, and is designed with an inset pedal to prevent accidental activation. Momentary-on is also available for quick use. Custom 21700 Battery with USB-C Charging The intelligent 21700 battery offers a 4,000mAh capacity for up to 38 hours of runtime, recharges in as little as 3.5 hours with in included 5V/2A USB-C charging cord, and is compatible with a large assortment of Nitecore's i-series modular extensions. Integrated ATR technology keeps your light's performance and and temperature down, while the anti-impact protection mechanism prevents flickering during recoil when mounted or tumbling. Compatible with 10+ Accessories While the P20i already comes with a holster, charger, and battery magazine, there are many cool ways to upgrade your EDC. The NTR10 ring and NTH25 offer new ways to carry, while the GM02MH, GM02, and GM04 are all suitable for tactical mounting. The HRM2 helmet mount is specially designed with a 3D pivoting system, while the TSL10i signal light offers quad-color signaling. Finally, the F21i charges your battery, or converts it into a powerbank in a pinch.