OMTech 45W CO2 Laser Engraver with LightBurn, 12"x8" Desktop Laser Engraving Cutting Machine for Home Use, LaserGRBL Compatible, Air Assist & Adjustable Head for Wood, Glass & More
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Extended holiday returns
Returnable until Jan 31, 2026 Learn more
Returnable until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
17 left in stock
Arrives
Dec 18 – Dec 20
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Size: 45W with Lightburn
Features
- Bring Your Creations to Life: Upgraded to 45W, our laser cutter now slices through 0.4" (10mm) acrylic and 0.31" (8mm) wood with ease. This enhanced power boosts cutting speed by 1.52 and increases depth by 1520%, delivering professional results for both personal and commercial use
- Speedy Engraving: With engraving speeds reaching up to 300 mm/s, this laser cutter allows you to create precise, detailed designs in a fraction of the time, ideal for businesses with tight deadlines & fast turnaround needs
- Flexible Work Area: Our 12"x8" work area offers ample space for various projects, while the detachable honeycomb bed and rotary axis compatibility provide added flexibility for thicker or uniquely shaped items
- Built-in Air Assist: By blowing away smoke and debris, the advanced 45 air assist keeps your work area cleaner, improves cutting accuracy, and minimizes fire risks for safer operation
- Wide Software Support: This laser cutter works with LightBurn and includes LaserGRBL, providing an easy and efficient way for both novices and professionals to design and run projects
- Comprehensive Safety Features: Our laser engraving machine combines door and water protection, an emergency stop function, and a flame-retardant observation window with a high-powered exhaust fan for a smoke-free workspace
- Versatile Material Compatibility: Whether cutting wood, acrylic, leather, plastic, or fabric, our laser cutter's adjustable settings ensure clean, precise cuts for every project, ideal for DIYers and small businesses
- Global Support, Local Care: Our 24/7 global support team delivers expert assistance, including technical guidance and local demos by appointment. With 2 years of comprehensive service, we ensure peace of mind and personalized care wherever you are
- Laser Class 2, 0.827 mW output power; Model: SH-K40
Item model number: SH-K40
Date First Available: April 17, 2025
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Dec 18 – Dec 20
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 45W with Laser Coolant
The CO2 laser has all the bells and whistles you need. Even has Safety latches, if you open a door the laser stops burning. Designed with the user in mind. Cuts as advertised and is far better than my old K40.
Reviewed in the United States on November 7, 2025 by Nicholas Williams
Size: 45W
Great product - after 2 hours of not working realized that we had the water hoses on backwards. Then boom it worked amazingly.
Reviewed in the United States on July 15, 2025 by Lost Angel Lost Angel
I had a project where I needed to cut a lot of acrylic pieces so I purchased one of these. I am very impressed with how good it works on 1/8" think material. Edges look great. Seems well made for the price you pay. Comes with ventilation tube and water cooling. You just need a bucket for the water. I would have given it 5 stars but didn't for two reasons. 1. It wouldn't work at first. I traced the problem to a bad solder joint on the lid safety switch. Easy fix. 2. Poorly designed bed. It seems that they could have designed a less expensive bed that could be adjusted up and down instead of a fancy bed that has a spring-loaded door, which is not that useful. I replaced that with a homemade one that works much better. Youtube has good ideas on how to do this. If you like to tinker, this is a great unit to start with. If you want something that you can put into production right out of the box, you will have to spend at least 4 times more money.
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Reviewed in the United States on December 4, 2022 by Reggie L.
Size: 45W
As someone new to CO₂ laser technology, I initially found the setup process quite challenging. My primary goal was to cut acrylic, but I quickly realized I had a lot to learn. Fortunately, OMTech's customer service was exceptional—they provided clear answers to my questions and ensured I felt supported throughout the process. One standout moment was the video consultation with a technician, who patiently guided me through the alignment procedure. That hands-on walkthrough completely clarified what had seemed so confusing at first, and I was able to properly align the laser with confidence. Having transitioned from a diode laser to a CO₂ system, I couldn’t be happier with the upgrade. The machine performs beautifully, and I’m excited to explore its full potential as I continue growing in this craft.
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Reviewed in the United States on July 16, 2025 by KIMBERLY MILLER
Size: 45W
So far, not impressed. The machine arrived. I just got to unboxing. It’s dented. Next, two loose nuts on the bottom of the machine that fell off while moving it in place. These hold the power supply in place. The gantry is not aligned properly either. Cables not plugged in, data cable port not soldered to the laser currency display. Loose parts inside. Who quality checks these things? I get it, it’s not super expensive. I’m just trying to expand my small business a little by adding a CO2 laser. Yes, I use lasers already. If you’re going to make a product, don’t make people fix the machine prior to use. I think I’ll be requesting a replacement.
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Reviewed in the United States on September 4, 2025 by xStatic xStatic
Update: after contacting the seller, they promptly sent us a replacement tube, which runs great. Easy installation. Healthy and stable beam. Clean cuts. Happy kids. I hope this tube will have long lifetime ------------------- Purchased the machine in July, and have been using sporadically, once a week or so, for short low-intensity jobs (10% of laser power). Worked great when it was working. However, even with adequate cooling (the coolant temp has always been within the 18-20C range), the laser beam switched to the doughnut-shaped profile in November, i.e. useless for any kind of job due to the inability to focus the beam properly, and now the tube has to be replaced.
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Reviewed in the United States on November 23, 2022 by Ivan
Size: 45W with Laser Coolant
Love my laser. It has been great to use. I did upgrade and get a chiller because it seems to run warm even in a cold room.
Reviewed in the United States on August 11, 2025 by Jennifer Reese
Size: 45W with Lightburn
Great customer service.. had initial issues getting it setup. They should supply more documentation on machine function and safety features
Reviewed in the United States on November 18, 2025 by Jim Lapikas