Upgrade your laser cutting and engraving projects with the NEJE 20W Laser Module Head TTL / PWM Air Assist Kit. Designed for precision and durability, this powerful kit effortlessly handles wood, glass, stone, plywood, and a variety of other materials, making it the ideal companion for both hobbyists and professional CNC laser machines.
Key Highlights
- 20W High‑Power Output: Delivers consistent, clean cuts and deep engravings on a wide range of substrates.
- TTL & PWM Control: Seamlessly integrates with most CNC controllers for precise power modulation and speed control.
- Air Assist System: Built‑in air nozzle removes debris and cools the work area, reducing charring and extending the laser’s lifespan.
- Universal Compatibility: Fits standard NEJE laser frames and most third‑party CNC laser platforms.
- Robust Construction: CNC‑machined aluminum housing ensures stability and heat dissipation during prolonged use.
- Easy Installation: Plug‑and‑play wiring with clear labeling; no soldering required.
Why Choose NEJE 20W Laser Module?
Whether you’re creating intricate jewelry designs on glass, detailed signage on wood, or precise patterns on stone, the NEJE 20W Laser Module provides the power and control you need. The integrated air assist dramatically improves cut quality by preventing smoke buildup and minimizing heat‑affected zones, resulting in smoother edges and finer detail.
Technical Specifications
- Laser Power: 20 W (continuous wave)
- Wavelength: 445 nm (blue diode)
- Control Modes: TTL (0‑5 V) & PWM (0‑255)
- Operating Voltage: 12 V DC
- Air Assist Flow Rate: 0‑5 L/min (adjustable)
- Material Compatibility: Wood, plywood, MDF, acrylic, glass, stone, metal‑coated surfaces
- Dimensions: 80 mm × 45 mm × 30 mm (module head)
- Weight: 350 g (module) + 120 g (air assist kit)
Ideal Applications
- Custom signage and decorative panels
- Personalized gifts and jewelry engraving
- Prototyping and small‑batch production
- Artistic laser etching on glass and stone
- Educational projects and maker‑space workshops
Installation & Use
1. Power off your CNC laser machine and disconnect the power source.
2. Remove the existing laser head and attach the NEJE 20W module using the supplied mounting brackets.
3 Connect the TTL/PWM cable to your controller’s output port.
4. Attach the air assist nozzle to the dedicated port and connect the air line.
5. Re‑enable power, calibrate the focus, and start cutting or engraving with confidence.
Experience the perfect blend of power, precision, and reliability with the NEJE 20W Laser Module Head TTL / PWM Air Assist Kit—your go‑to solution for professional‑grade laser cutting and engraving.
Price: Original price was: $ 86.61.$ 40.71Current price is: $ 40.71.

