Take Now US $129.11 5.5W 450nm Laser Module Blue Violet TTL PWM DC 12V 3P Adjustable Focal Length Built-in Driver for D

5.5W 450nm Laser Module Blue Violet TTL PWM DC 12V 3P Adjustable Focal Length Built-in Driver for D

[33013934795] What is in Package? 1 x 5.5W 450nm Blue Laser Module 1 x 3P Cable Parameter: Cutting thickness: less than 3 cm Laser wavelength: 450nm (Blue violet light) Spot pattern: point Focal length: Adjustable Output power: 5.5W Heat dissipation method: forced air cooling Voltage: DC 12V Current: 1~3A Working temperature: 10 to 40 degrees Celsius Driver module: TTL, PWM Power interface: XH 2.54 *3P Control interface: 2 * 2.54 (TTL control, PWM power control switch) Cable length: 40cm What materials can be engraved? Wood, some plastics, paper, bamboo, horns, thin leather (wallet), rubber stamp, photosensitive stamp, printing paper (as long as it can be used for engraving, less material can be cut), sponge paper and other materials that are easy to burn. Brushed surface 304 stainless steel (please use black pen to polish the surface before engraving). What kind of material can be cut? Sponge paper, thin leather, printing paper, Plywood (we tested on 3mm yet) 

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