1.Function: Constant/Momentary/Strobe
2.Lumen: 800lm
3.With UNIV-1/UNIV-2/1913-1/1913-2/1913-3/1913-4 moduels
4.The button of function can be changed
5.Material: aluminum alloy
6.Powered by 1pcs CR123A or 16340 battery (The light head must be tightened to work properly)