High Performance EDC Flashlight The Nitecore EDC27 UHi is an update to the beloved EDC27, a flat-shaped slim flashlight that is easy to carry in a pocket, backpack, and everywhere else. Now featuring the innovative NiteLab UHi 20 LED, the EDC27 UHi delivers a powerful 3100 lumen output and an impressive throw of 333 yards. In addition to increased brightness and throw, the EDC27 UHi boasts new updates to its switches, runtimes, and more. Easy to Operate To power the light on or off, simply fully press the Power Button. While the light is on, half-press the power button to cycle through four different brightness levels, all conveniently indicated by the OLED screen. When turned off, the EDC27 UHi will remember the previously selected brightness level when reactivated. To quickly cycle between brightness settings, use the Level Preset Function to find your desired output. To access the Ultralow mode, half-press the power button when the light is off. To access Turbo, half-press the mode button. Full press the mode button to activate Strobe. The EDC27 UHi features an updated Sensor Protection function that activates when the light is accidentally turned on in High, Turbo, or Strobe modes, automatically reducing the brightness to prevent overheating. This sensor protection is only active when the light is turned on and deactivates during normal use. USB-C Charging The EDC27 UHi has a built-in 1700mAh battery that can be charged through its built-in USB-C port. Once fully charged, the EDC27 UHi can achieve a maximum runtime of 55 hours on its lowest mode. Additionally, the EDC27 UHi can withstand impacts of up to 1 meters, holds an IP54 rating, and employs patented advanced temperature regulation, ensuring reliable performance in any environment.