Description
20W Laser Engraving Module, 5W Optical Power Laser Module Kit,Wood Engraver Eye Protection, 450nm Output Blue Light PWM TTL
Product Description
Features:
*Engraving distance:less than 3cm
*Wave length: 450NM
*Power : 20W
*Electric current: 3-5A
*Voltage: DC 12V
*Working temperature: +10 ~+40
*Driver module:TTL
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