This video shows how to get the correct focal length of LaserPecker 3. We offer you two methods to adjust the focal length of LaserPecker 3:
1️⃣ Method One: Adjust the electric stand to make the two laser dots coincide;
2️⃣ Method Two: Adjust the up or down button on the App to make the two laser dots overlap.
Please feel free to contact us if you have any problems.
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