Please select the weapon light you want based on the product's features
Product Function:
M340C:Momentary+Constant
M340V:Momentary+Constant+Strobe
M640DF:Momentary+Constant
M640V-DF:Momentary+Constant+Strobe

M340C 500 lumen CR123Ax1(Not Included) ,Tactical Runtime: 1.5 hours

M340V 500 lumen With strobe CR123Ax1(Not Included),Tactical Runtime: 1.5 hours

M640V 1400 lumen With strobe CR123Ax2(Not Included),

M640DF 1400 lumen Batteries : 2x CR123A battery OR 18650*1（Not included）

Runtime 1.5 hours (18650) / 1.25 hours (123A)