NEJE 30W Laser Module 2 In 1 Variable Focus Lens and Fixed Focal Modified Laser Air Assist for Laser Engraver Machine Laser Cutter 3D Printer

SKU: NEJE Module 30W

$142.99 $229.99

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1. Designed for Laser Engraver machine, Laser Cutter, 3D printer, CNC millling, ect.

2. 2 in 1 focus, adjustable lens and fixed focal length in one module.

3. 7.5W Optical power output, Suitable for engraving and cutting.

4. More Safety, Built-in protective glass to protect eyes! Even without wearing protective glasses, the operation is more comfortable.

5. Modified laser air assist, avoid smoke damage to the lens.

6. More Quiet, Intelligent drive adjust the cooling fan speed according laser temperature.

7. Easy use, Digital PWM wave pulse signal generator adjustable frequency duty cycle board for neje laser module.

8. Sliding slot is provided for easy adjustment of focus.



NEJE Module 30W

Heatsink Material

Aircraft Aluminum + Brass Shell

Luminous Color


Section Size

40mm x 40mm

Cooling Mode

Temperature sensor intelligent control + 10000 rpm 40mm cooling fan


60 * 40 * 40mm

Adapter Plug

5.5 2.1 port

Can Engrave

MDF/Balsa/Paper/Wood/Fabric/Plastic/Leather/Plywood/Foam Paper/Anodized Aluminum

Can Not Engrave

Metal/Glass/Stone/Ceramics/PCB/Stainless Steel/Reflective Material/ Transparent Material

Technical Parameters

Module Input


Optical power output

7.5W (7500mW)



Beam Shape

Dot (Focusable)

Working Voltage

DC 12V

TTL&PWM Modulation

YES, Compatible with Both TTL & PWM Modulation

Input Voltage

DC12V 3A



Input Interface

PH2.0-4Pin (+,-, PWM/TTL, Temperature), 3Pin (+,-, PWM/TTL) , 2Pin+2Pin (+,-) + (PWM/TTL,-)



Temperature interface can be disconnectedNEJE provides text instructions for temperature acquisition on wiki.

Drive Mode

External ACC

Safe temperature range

<60 ℃

Module weight

202g ( The lighter the weight, the smaller the move inertia, the better the performance )

Life Time

10000-20,000 hours

Digital PWM Wave Pulse Signal Generator Adjustable Frequency Duty Cycle for NEJE Laser Module tester board Specification:


Power input

DC 12V


PH2.0 4pin (12v,GND,PWM/TTL,Temperature)


3 modes (off, manual pwm, pwm / ttl in)

Temperature display


Pwm display


Manual PWM control




1. Please wear laser goggles during usage and avoid touching the laser directly with your eyes and skin!

2. Do not engrave mirror objectsPay attention to firePay attention to pets when working

3. Smoke will be generated when burned, please pay attention to smoke exhaust indoors.

4. The warranty period of laser module is one year. If you have any quality problem(Except individual situation like using the laser module more than 30 minutes per time and casue the damage ), please feel free to ask our customer service for a help.

5. If your laser module has any problem, please DO NOT dismantle it without our permission. It will destroy the laser module.

6.  If you have any quality problem about the machine, please feel free to contact us. Many operative problem can be solved according to your video and problem description. Thank you in advance.

8. It can also be compatible with other cnc equipment, such as 3d printers, CNC MIlling, etc., but you need to master a certain knowledge of pwm waveform control.

Package Included:

1 x

30W Laser Engraving Module

1 x

Laser Module Sliding slot

1 x

4 Pin Cable(320mm Cable)

1 x

NEJE Interface adapter board

1 x

2.5mm L-shaped wrench

1 x

5mm L-shaped wrench

1 x

3pin input calbe

1 x

2pin ttl cable


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