Features:

* This 20w laser module + main board kit is a good choice for DIY your laser engraving machine. Support GRBL software, you can design the working area according to your needs.
* Application: High Speed Engraving, Depth Engraving (0.5-3mm), Wood Marking, wood cutting (<8mm), paper cutting. Please note that the max. cutting depth is 8mm, but sometimes may can not cut 8mm for the first time, you need to cut for few times. the best cutting depth is 3mm.
* It supports engraved on alumina oxide, iron oxide .
* Supported engraving materials: Wood, gray paper, leather, bamboo, blackening plastics, PCB, rubber, alumina oxide, Iron oxide, etc. "Control mode" in software for engraving function.
* Supported cutting materials: natural wood, plywood, cardboard, non-woven fabric , leather, EPE, paper. Please change to "CNC mode" for cutting.

* It is not possible to directly engrave the metal with strong mirror reflectivity, which may cause injury to the operator or burn the laser.
* Friendly remind: we provide 2-year warranty for the laser module for non-human damage, so if your module has problem, please do not leave negative feedback or open dispute, contact with our customer service, we will help you to solve the problem.

Specification:

* Laser input power: 18W-20W
* Output optical power: 5.5W
* Temperature display: YES
* Safe temperature range: <70 ℃
* Whether it can work continuously: can work continuously for a long time
* Focusing range: 30-50mm from the light outlet (40mm is the best)
* Fan speed: 15000 rpm
* Module weight: 202g
* Application: cutting, engraving
* Cutting performance: for example:
-Material: Plywood, thickness 3mm
-Speed 330, cutting 3 times, each cutting 1.0mm
-Speed 200, cut 2 times, each cut 1.5mm
-Speed 100, cut once, cut 3mm each time
* Note: The installation of high-pressure blowing can improve the cutting performance!

Package Included:

1 x Laser Module
1 x Main Board
1 x UL certified DC Power ( we will send the plug via different countries standard)
1 x Cable
1 x Slot Adapter
1 x Goggle
2 x Install Tools