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January 14, 2016 All Posts, Laser Pointer

3500mw blue laser pointer button issue

1. First of all, please make sure the batteries work well and installed correctly.

Use 2 x 16340 or 2 x 18650 or 2 x 26650;

Positive to laser head;

Never use 3 batteries together;

2. Use a 5V USB wire test the laser head.

Remove the battery tube compartment, there is a interface can connect the 5v USB power.
laser pointer usb interface

3. Tight the end cap.

laser pointer cap

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