Ray5 20W can cut 0.59'/15mm pine wood and 0.31'/8mm acrylic in one pass, 25mm wood and 35mm acrylic multiple passes, and cut 0.002'/0.05mm stainless steel. The advanced built-in 256-bit color scale with 0.08 * 0.1mm ultra-fine laser focus area achieves a finer engraving result and a higher contrast effect. And an air-assisted interface is reserved, which can be easily matched with various air pumps, and more clean surfaces. The Ray5 20w can work parallelly with control of only one terminal, you can set a number of units engraving and cut together, improve production efficiency. Suitable for professional offices, workshops, or factories. 3.5' color Touchscreen & 4 Connection Methods: You can directly operate the machine through the touchscreen, such as checking the engraving progress, adjusting the engraving speed, or other operations. This laser engraver has 4 connection modes: SD Card Connection USB Connection APP Connection Wi-Fi Connection