UI:

  1. Instant Turbo: Press and hold to turn on the light, to activate Turbo in no time, click to turn off.
  1. Instant strobe: Double click to turn on strobe, double-click to switch between Strobe and SOS, click to turn off.
  1. Output selection: Click to turn on the light, if click will cycle through Low-mid-high-Turbo, double click will turn on Strobe mode, click to exist strobe mode, then it is on default output selection mode, triple click will get into flexible output selection mode, press and hold to adjust the brightness, release to select a certain brightness output between low and turbo, press and hold for 2 sec to turn it off, click will turn on the light on the output level while it was turned off. Whenever the light is constant on, triple click allows you to change the output selection mode.
  1. Lockout and unlock: Triple click to lock it out, triple-click again to unlock.