LASER TREE 20W Laser Engraving Module (450nm) with Adjustable Focus | TTL Blue Laser Head for DIY CNC & Woodworking

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Affordable and powerful, the LASER TREE 20W Blue Laser Module delivers up to 5W optical power with adjustable focus and TTL/PWM support. Perfect for DIY CNC engraving machines, this laser head excels at cutting and engraving wood, leather, and more.

Description

Laser Engraving Module

The LASER TREE 20W (Optical Output: 4-5W) Blue Laser Module is the perfect entry-level solution for creators, makers, and hobbyists. With a 450nm wavelength and adjustable focus, this compact laser engraver module is designed to fit most 12V DIY engraving machines — offering strong performance at a lower cost.

Use it for cutting plywood or engraving wood, acrylic, leather, and even stainless steel. Its small footprint, adjustable focus, and compatibility make it an excellent tool for both engraving precision and light-duty cutting.

Key Features:

  • Adjustable Focus Design: Easily set the optimal focus length for engraving (20mm) or cutting (50mm) operations.
  • Powerful 450nm Blue Laser: 5W optical power with TTL support, capable of cutting 1–2mm plywood in a single pass.
  • Compact and Easy to Mount: Fits most 12V CNC engraving machines; plug-and-play via XH2.54-3PIN.
  • Air Assist Support (LT-40W-A Models): Includes air assist for cleaner cuts and extended lens life.
  • Eye Protection Cover: Integrated magnetic cover to shield eyes from blue laser light.

Specifications:

Feature Value
Optical Power 4–5W
Input Voltage 12V 1.5–2A
Wavelength 450nm (Blue Light)
Spot Form Punctiform (Adjustable Focus)
Focus Distance (Engraving) 20mm
Focus Distance (Cutting) 50mm
Modulation TTL/PWM 0–5kHz
Dimensions 40 x 40 x 120mm
Weight ~225–255g depending on model
Material Compatibility Wood, Plywood, MDF, Leather, Acrylic, Stainless Steel (engraving only)

Additional information

Color

20W Adjustable Focus, LT-40W-AA, 40W Adjustable Focus, 40W Adjustable Kit

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