AtomStack Kraft Lite 40W Diode Laser Engraver40W Diode lasers, One Pass Cut Through 18mm Paulownia Wood; Large Working Area 19. 6'' 12. 6'' , extendable to 19. 6" x 31. 5 with a conveyor feeder Class 1 Laser Safety Certification approved by lEC Built in 16MP 4KHD Camera for more efficient workflow; Extensive Accessory Ecosystem: Fire Extinguishing Air Pump, Rotatry Roller & Rotatry Chuck, Riser Base, Air Purifier;