This light comes with enough tactical capabilities to meet the demands of even police officers or military personnel.  Its revolutionary optical system when combined with a luminous SST-40-W LED enables the torch to emit an 1800 lumens beam that would cover an impressive distances.   It can equally serve you as an emergency tool with its crenulated head, hard enough to break glass.  Easy access to various output, a very disorientating STROBE mode and a tough HA III aluminum that can handle the toughest environments, the Nitecore P20i has it all to be a trustworthy companion in any situation. 

Features:

• Utilizes a luminous SST-40-W LED with a max output of 1,800 lumens
• Optical system combined with crystal coating and Precision Digital Optical Technology (PDOT)
• Max peak beam intensity of 29,500cd and max throw of 343 meters
• Highly efficient constant current circuit provides a stable output for up to 50 hours
• Dual tail switches enable intuitive operation for tactical applications
• 3 brightness levels and 1 special mode available
• STROBE mode uses randomly changing frequencies for stronger dizzying effects
• Intelligent Li-ion battery charging circuit with a USB-C port
• Power indicator display battery voltage
• Strike bezel uses high strength silicon nitride ceramics to enable excellent glass breaking performance
• ATR technology (advanced temperature regulation)
• Optical lenses with double-sided scratch resistant coating
• Constructed from aero grade aluminum alloy
• HA III military grade hard-anodized finish
• Waterproof and dustproof rating in accordance with IP68 (2 meters submersible)
• Impact resistant to 1 meter
• Modes/Brightness Output: High (1800 lumen/1hr30min), Mid (280 lumen/7hr15min), Low (35 lumen/38hr), Strobe (1800 lumen/--)