8Pcs/Set NEJE 30W Laser Module 2 In 1 Adjustable Variable Focus Lens and Fixed Focal Modified Laser Air Assist For Laser Engraver Machine Laser Cutter 3D Printer CNC Millling

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About this item


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.


Model: NEJE Module 30W
Heatsink Material: Aircraft Aluminum + Brass Shell
Luminous Color: Blue
Section Size: 40mm x 40mm
Cooling Mode: Temperature sensor intelligent control + 10000 rpm 40mm cooling fan
Dimension: 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: 20-30W
Optical power output: 7.5W (7500mW)
Wavelength: 445-450nm
Beam Shape: Dot (Focusable)
Working Voltage: DC 12V
TTL&PWM Modulation: YES, Compatible with Both TTL & PWM Modulation
Input Voltage: DC12V 3A
PWM/TTL Input: DC3.3V-12V
Input Interface: PH2.0-4Pin (+,-, PWM/TTL, Temperature), 3Pin (+,-, PWM/TTL) , 2Pin+2Pin (+,-) + (PWM/TTL,-)
NOTE: Temperature interface can be disconnected,NEJE 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
Output: PH2.0 4pin (12v,GND,PWM/TTL,Temperature)
Mode: 3 modes (off, manual pwm, pwm / ttl in)
Temperature display: YES
Pwm display: Yes
Manual PWM control: YES


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

Shipping information

(1) FREE Shipping 10 - 15 business days, (2) Standard Shipping 7 - 12 business days.

Shipping and Delivery Estimates

We ship in-stock orders as soon as possible. This is often within two business days, but there are situations where it may take longer. All estimates are based on business days.


(1) The shipping time mentioned above refers to the estimated time of business days that the shipment will take after an order has been shipped.

(2) Business days do not include Saturday/Sunday and any public holidays.

(3) These estimates are based on normal circumstances and are not a guarantee of delivery times.

(4) We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, customs issues, and any other event beyond our direct control.

for more information please visit our Shipping Policy Page.

Return and exchanges

Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

for more information please visit our Refunds & Returns Policy page.