VEVOR Laser Engraver, 20W, Laser Engraving and Cutting Machine with Enclosure, Laser Cutter Engraver Machine, 7000 mm/min, 300 x 300 mm Working Area, for Wood, Leather, Glass, Certain Metal, Class 1Product Features Outstanding Productivity Laser Class: Class 1, Power Output: 20000mW. With speeds up to 7,000 mm min and an 11. 8 x 11. 8 in working area, this wood laser engraver cuts through 0. 3 in basswood in a single pass, as easily as slicing butter High Precision Engraving Featuring a 455 nm laser wavelength and fine 0. 12 x 0. 15 mm laser spot size, this laser engraving machine is paired with a 32 bit control board for accurate control. The