30W Laser Moudle Feature：
– Designed for Laser Engraver, 3D printer, CNC mill, arduino project.
– 7.5W Optical power output, 4mm plywood from 1 pass(speed 100)
– More Safety, Built-in protective glass to protect eyes! Even without wearing protective glasses, the operation is more comfortable.
– More Quiet, Intelligent drive adjust the cooling fan speed according laser temperature.
– Easy use, Digital PWM wave pulse signal generator adjustable frequency duty cycle board for neje laser module.
– slidable mounting fixture is provided for easy adjustment of focus.

30W General Specification:
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

40W Laser Moudle Feature：
– Designed for Laser Engraver, 3D printer, CNC mill, arduino project.
– 15W Optical power output, 4mm plywood from 1 pass(speed 200), 3mm black acrylic board from 1 pass, Able to engrave stainless steel, but it needs good focus adjustment.
– More Safety, Built-in protective glass to protect eyes! Even without wearing protective glasses, the operation is more comfortable.
– More Quiet, Intelligent drive adjust the cooling fan speed according laser temperature.
– Easy use, Digital PWM wave pulse signal generator adjustable frequency duty cycle board for neje laser module.
– slidable mounting fixture is provided for easy adjustment of focus.

40W General Specification:
Model：NEJE Module 40W
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：30-40W
Optical power output：15W
Wavelength：445-450nm
Beam Shape：Dot (Focusable)
Working Voltage：DC 12V
TTL&PWM Modulation：YES, Compatible with Both TTL & PWM Modulation
Input Voltage：DC12V 3-4A
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

Note(Please pay attention):
1. Please wear laser goggles during usage and avoid touching the laser directly with your eyes and skin!
2. Do not engrave mirror objects，Pay attention to fire，Pay 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.
7. This laser module is compatible with our NEJE Master 2 Plus and Master 2 Max machine .
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.

30W Laser Module Kits Package Included:
1 x 30W Laser Engraving Module
1 x Laser Module Sliding fixture
1 x 4 Pin Cable(1000mm)
1 x NEJE Digital PWM Wave Pulse Signal Generator Adjustable board
1 x 12V3A UL Certified Power Adapter (UP to 50W)
1 x Euro adapter
1 x goggle
1 x 2.5mm L-shaped wrench
1 x 5mm L-shaped wrench

40W Laser Module Kits Package Included:
1 x 40W Laser Engraving Module
1 x Laser Module Sliding fixture
1 x 4 Pin Cable(1000mm)
1 x NEJE Digital PWM Wave Pulse Signal Generator Adjustable board
1 x 12V3A UL Certified Power Adapter (UP to 50W)
1 x Euro adapter
1 x goggle
1 x 2.5mm L-shaped wrench
1 x 5mm L-shaped wrench

Name: 30W laser module neje Master 2 cutting module upgrade kit, fixed focus sliding focus – visual protection – Smoke blowing assistant
characteristic:
1. 30W electric power and 7.5W optical power output can be upgraded directly on the basis of neje master2 20W. If it is 7W and 3500mw customers, 12v3a power adapter needs to be replaced
1. Fixed focus design, only need to put a 6 mm gasket on the bottom and lock the screw to adjust the focus
2. The size of 30mm does not affect the carving area of neje master2
3. Vision protection
4. Modified laser air assist
5. Intelligent drive, can detect temperature, adjust fan speed dynamically, quieter when not in use
6. 15000 RPM double ball high speed fan, stronger heat dissipation performance
7. 60mm built-in threaded copper core, heat dissipation silicone grease added, safety temperature control, and neje 48 hour aging test
8. 2 year warranty, free replacement
Volume: 15.5 * 10 * 11cm
Gross weight: 460g
detailed list:
1 x 30W single module
1 x sliding slot
1 x 4pin cable
1 x L type wrench

Name: 30W laser module neje Master 2 cutting module upgrade kit, fixed focus sliding focus – visual protection – Smoke blowing assistant
characteristic:
1. 30W electric power and 7.5W optical power output can be upgraded directly on the basis of neje master2 20W. If it is 7W and 3500mw customers, 12v3a power adapter needs to be replaced
1. Fixed focus design, only need to put a 6 mm gasket on the bottom and lock the screw to adjust the focus
2. The size of 30mm does not affect the carving area of neje master2
3. Vision protection
4. Modified laser air assist
5. Intelligent drive, can detect temperature, adjust fan speed dynamically, quieter when not in use
6. 15000 RPM double ball high speed fan, stronger heat dissipation performance
7. 60mm built-in threaded copper core, heat dissipation silicone grease added, safety temperature control, and neje 48 hour aging test
8. 2 year warranty, free replacement
Volume: 15.5 * 10 * 11cm
Gross weight: 460g
detailed list:
1 x 30W single module
1 x sliding slot
1 x 4pin cable
1 x L type wrench