<p><b>Description:</b></p> <p>Motherboard: 32 bits motherboard with 32Bits MCU</p> <p>Firmware: Ortur Laser Master Firmware</p> <p>OS of Upper Computer: Windows (Working with LaserGRBL), MAC OS and Linux (Working with LightBurn)</p> <p>Adapter power: 36W, 12V 3A</p> <p>Machine power: LU1-2: 7W; LU1-3: 15W; LU1-4: 20W</p> <p>Laser module power: LU1-2: 1200mW-1600mW; LU1-3: 4000mW-4500mW; LU1-4: 5000mW-5500mW</p> <p>Laser Wave Length: 445 ± 5nm</p> <p>Laser focus: LU1-2(Variable Focus); LU1-3 & LU1-4(Fixed focus)</p> <p>Default Focal Length: 55MM for LU1-2 Laser Module; 29MM for LU1-3 & LU1-4 Laser Module</p> <p>Input Format: NC, BMP, JPG, PNG, DXF, etc.</p> <p>Carving Area: X: 390MM x Y: 410MM</p> <p>Carving Speed: 3000MM / Min and less</p> <p>Image size: No Limit (The pixel accuracy could be adjusted freely, and the default is 300 pixels per inch, it's about 0.81um pixel precision)</p>