![Amazon.com: Monport 40W Co2 Laser Engraver K40 Motherboard Upgrade Controller Compatible with Lightburn for K40 Laser Engraver, Suitable for Various of K40 Upgrade Compatible with Lightburn Amazon.com: Monport 40W Co2 Laser Engraver K40 Motherboard Upgrade Controller Compatible with Lightburn for K40 Laser Engraver, Suitable for Various of K40 Upgrade Compatible with Lightburn](https://m.media-amazon.com/images/I/71CmTTBu4AL.jpg)
Amazon.com: Monport 40W Co2 Laser Engraver K40 Motherboard Upgrade Controller Compatible with Lightburn for K40 Laser Engraver, Suitable for Various of K40 Upgrade Compatible with Lightburn
![Amazon.com: Monport 40W Co2 Laser Engraver K40 Motherboard Upgrade Controller Compatible with Lightburn for K40 Laser Engraver, Suitable for Various of K40 Upgrade Compatible with Lightburn Amazon.com: Monport 40W Co2 Laser Engraver K40 Motherboard Upgrade Controller Compatible with Lightburn for K40 Laser Engraver, Suitable for Various of K40 Upgrade Compatible with Lightburn](https://m.media-amazon.com/images/I/71i-I+1+xcL._AC_UF350,350_QL80_.jpg)
Amazon.com: Monport 40W Co2 Laser Engraver K40 Motherboard Upgrade Controller Compatible with Lightburn for K40 Laser Engraver, Suitable for Various of K40 Upgrade Compatible with Lightburn
![Amazon.com: MCWlaser 5V 1A 24V 3A AC to DC Power Supply for SH K40 G 350 CO2 Laser Engraver Cutter : Electronics Amazon.com: MCWlaser 5V 1A 24V 3A AC to DC Power Supply for SH K40 G 350 CO2 Laser Engraver Cutter : Electronics](https://m.media-amazon.com/images/I/71lvd4vS5hL._AC_UF894,1000_QL80_.jpg)
Amazon.com: MCWlaser 5V 1A 24V 3A AC to DC Power Supply for SH K40 G 350 CO2 Laser Engraver Cutter : Electronics
![Gerbil: The Open upgrade for your K40 Laser by Paul de Groot » Picture of The Gerbil Controller! — Kickstarter Gerbil: The Open upgrade for your K40 Laser by Paul de Groot » Picture of The Gerbil Controller! — Kickstarter](https://ksr-ugc.imgix.net/assets/017/248/048/5b1c3c24fb217ab95d6d837b3befaca7_original.jpg?ixlib=rb-4.1.0&crop=faces&w=1552&h=873&fit=crop&v=1498980180&auto=format&frame=1&q=92&s=fb9481b3dc744233e45483659b7d88ef)