【24W Top Precisely Laser Engraver,Laser Class II】The Longer Laser B1 Engraving Machine utilizes the latest diode laser technology with up to 24000mW of output power for powerful cutting and engraving capabilities comparable to industrial CNC cutting machines. It can cut 15mm wood panels, 8mm black acrylic panels and even 0.1mm stainless steel panels in a single pass. It can also directly engrave over 400 materials such as metal, ceramics, glass and leather.