20W 40W Laser Module 12V 3-Pin PWM for 3020 4540 4030 PRO CNC Engraver Cutting

1x 20W or 40W Laser Engraver Module. 【 Excellent Compatibility 】Just need to simply connect to the CNC machine with screws and wire to the motherboard then the installation is finished. 【 Compressed Spot Technology 】Premium LD-C lens allow the engraver module to form compressed beam spot, mini focus spot size: 0.08 0.08mm, which is with high accuracy, high efficiency and penetration.

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