Origin: China

Material: Nylon

Installed on: 20mm picatinny rail

Function: 5 gears can be switched with one click. The function knob is only for decoration and cannot adjust the laser position or power size. This is a very initial and simple version without IR function. If you mind, do not purchase it. If you have any misunderstandings about the function, it will not be returned once sold.

Battery: CR123A or 16340

This product does not come with a battery, please prepare it yourself.