4W Laser Engraver Module With Adjustable Focus For DIY Wood Paper Leather Projects, 450nm Class 4 Laser Head, Narrow Engraving Line, Easy Setup, Cuts Through 1 To 2 Millimeter Material, Great For Home Makers Hobbyists And Small Workshops

4W Blue Laser Engraver Module for DIY Engraving 1pc
✔️ 4W blue diode module with adjustable focus 20-50mm, 12V input

Compact, ready-to-install laser module designed for hobbyists and small workshops. Ideal for DIY engraving on wood, leather, and paper, and easily integrates with compact CNC machines, 3D printers, and laser setups.

✅ 4W optical power output with narrow engraving line
✅ Adjustable focus range 20mm-50mm for precise depth
✅ 450 nm blue diode with original diode for stability
✅ Cuts through 1-2 mm plywood in a single pass
✅ Input: DC 12V 1.6A (1.4-1.8A); PWM modulation supported
✅ Size: 35x35x99.6 mm (1.38x1.38x3.92 in); includes 3-pin cable

💡 What is a 4W blue laser engraving module used for in DIY wood and leather projects? Here's a handy guide to its handy uses.

- Material compatibility: wood, leather, paper, plastics (not suitable for metals)
- Focus and power control: 20-50 mm adjustable focus with PWM for steady engraving
- Use cases: signs, decorative art, custom items for home workshops
- Safety tips: wear eye protection and avoid reflections and direct beam exposure