User Manuals:

1，At the first using ，please unscrew the Four-in-One laser pointer pen ‘s truncated part， take out the insulating strip and reinstall the positive and negative pole correctly .

 (Note: Positive and negative electrode of the battery can not be loaded in the wrong way， or the laser button won't have a laser， even losing the certain functions.)

2，There is a Seven-section-Flexbile pointer in the bottom of the Four-in-One laser pen，it is for closer distance pointer use.

3，The top button on this 4-in -1 laser pointer pen is the laser light function .Keep pressing the button to send out the longest distance laser ，is can be used as teacher's pointer pen.

4，Unscrew the four –in one  laser pointer pen's cap in the bottom， it can be used as a pen for writing as well

5，When the laser is getting weak ，please twist the terminals and replace the new batteries

 Applications :

Teaching / training / commander / projector