1.Lumen:1800 lm

2.Function: white light( constant on/momentary on/strobe)

3.Operation:
Pushing the button for 3 seconds to change the mode (constant on/momentary on)  
Double click is: strobe

4.Suit for 20mm picatinny

5.Mount module can change the direction

6.Material: aluminum

7.Battery: 16340*2/CR123A*2/18650*1