US 200 Miles Visible Red Pointer Pen 18650 650nm Zoom Focus Astronomy strong best burning Pointer Military Beam Pen

Description

1.This pen is not included 18650 battery and charger. 2.Install yourself 18650 battery into the. Put the negative pole (cathode) into the first, that means leave the positive pole (anode) touching the end cap. 3.Install the end cap. Use the key to make sure it points to red. 4.After installing the battery and end cap correctly, press the power button to turn the on. Be aware of that you need to keep pressing the button to keep the power of it. 5.Rotate the head of the to change the focus. The more you rotate, the bigger the focus becomes.