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Description
NEJE A40640 40W 450nm Laser Engraver Module Kits, A406401. Designed for Laser Engraver, 3D printer, CNC mill, Arduino project. 2. 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. 3. More Safety, Built in protective glass to protect eyes! Even without wearing protective glasses, the operation is more comfortable. 4. More Quiet, Intelligent drive adjust the cooling fan speed according to
1. Designed for Laser Engraver, 3D printer, CNC mill, Arduino project.2. 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.
3. More Safety, Built-in protective glass to protect eyes! Even without wearing protective glasses, the operation is more comfortable.
4. More Quiet, Intelligent drive adjust the cooling fan speed according to laser temperature.
5. Easy use, Digital PWM wave pulse signal generator adjustable frequency duty cycle board for NEJE laser module.
6. Slidable mounting fixture is provided for easy adjustment of focus.
Specification:
1. Heatsink Material: Aircraft Aluminum + Brass Shell
2. Luminous Color: Blue
3. Section Size: 40mm x 40mm
4. Cooling Mode: Temperature sensor intelligent control + 10000 rpm 40mm cooling fan
5. Dimension: 60 x 40 x 40mm
6. Adapter Plug: 5.5 2.1 port
7. Can Engrave: MDF/Balsa/Paper/Wood/Fabric/Plastic/Leather/Plywood/Foam Paper/Anodized Aluminum/Mirror Stainless Steel
8. Can Not Engrave: Metal/Glass/Stone/Ceramics/PCB/Stainless Steel/Reflective Material/ Transparent Material
Technical Parameters:
1. Module Input: 30-40W
2. Optical power output: 15W
3. Wavelength: 445-450nm
4. Beam Shape: Dot (Focusable)
5. Working Voltage: DC 12V
6. TTL&PWM Modulation: YES, compatible with Both TTL & PWM Modulation
7. Input Voltage: DC12V 3-4A
8. PWM/TTL Input: DC3.3V-12V
9. Input Interface: PH2.0-4Pin (+,-, PWM/TTL, Temperature), 3Pin (+,-, PWM/TTL) , 2Pin+2Pin (+,-) + (PWM/TTL,-)
10. NOTE: Temperature interface can be disconnected
11. Drive Mode: External ACC
12. Safe temperature range: <60 degrees Celsius
13. Module weight: 202g ( The lighter the weight, the smaller the moving inertia, the better the performance )
14. Life Time: 10000-20,000 hours
Package Included
- 1 x Laser Engraving Module
- 1 x Laser Module Sliding fixture
- 1 x 4 Pin Cable(1m)
- 1 x NEJE Digital PWM Wave Pulse Signal Generator Adjustable board
- 1 x 2.5mm L-shaped wrench
- 1 x 5mm L-shaped wrench
- 1 x 4Pin Cable
- 1 x 3Pin Cable
- 1 x 2Pin Cable
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.6 ★★★★★
Based on 2361 reviews
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Product Reviews
★★★★★ 4
Very narrow
Size: 10 Wide, Color: Cognac
Run narrow. For very narrow feet. Wide width fits like a regular width.
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Reviewed in the United States on February 9, 2026
★★★★★ 5
Comfortable Shoes Right Out of the Box
Size: 9, Color: Black
I bought these shoes for my husband. He has a very hard time finding quality, comfortable shoes. These shoes are just as comfortable as his New Balance. He uses them as a dress shoe and wears them at least once a week. There was no break in period necessary. They were comfortable right out of the box! The only thing we didn't like was the white sole color. Once I knew he was going to keep them, I used a black sharpie marker to color the soles black. Instant amazing, comfortable dress shoes. They were well worth the cost. If you or your SO needs a comfortable pair of shoes, we highly recommend them.
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Reviewed in the United States on September 2, 2025
★★★★★ 1
Paid for new, received used.
Size: 9.5 Wide, Color: Cognac, Size: 9.5 Wide, Color: Cognac
Arrived dirty as if someone whore it for more than a few days. Maybe I was mistaken, but I saw nothing about “previously used” on the Amazon page. Returned it.
I would suggest that the company use quality control when it comes to shipping. The shoes seem find otherwise. I ordered 9.5 and it was just a bit tight. If I reorder I will go for size 10.
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Reviewed in the United States on June 11, 2026
★★★★★ 5
Overall Great.
Size: 10.5 Wide, Color: Black
Great product. Great value. Great style. Overall great.
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Reviewed in the United States on March 3, 2026
★★★★★ 3
Decent Shoes with Misleading Description (Not Leather)
Size: 12 Wide, Color: Black, Size: 12 Wide, Color: Black
I only look for leather when I’m purchasing dress shoes. Under the description “details” on this item it lists the shoe as leather upper and inner lining. A photo shows “genuine Napa leather lining”. If you keep reading (which I have now that I’ve received the shoes) it shows “faux leather” in the small print and that is not “leather”. I run a small leather business and this irks me because it’s clearly false advertising. The details also show the product is made in Brazil but when they arrived today, the shoe tag shows “Made in China” and “Man Made upper and lower”. I don’t hate the shoes. They look nice. What I know is they won’t hold up over time like leather, which is why the description should be accurate and not misleading.
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Reviewed in the United States on March 28, 2026