*POWERFUL & HIGH PERFORMANCE- Powerful 2.5W power engraving machine provides effective working area: 395(X) X 285(Y)MM with the accurate image positioning. The reliable power makes it possible to bring a better & more precise engraving pattern. *ADJUSTABLE FUNCTION- The focal length of the 2.5W laser module can be adjusted up and down. The newly- designed V-groove aluminum track matches with roller bearing, brings for better performance. *STRONG COMPATIBILITY- Support Windows XP, win7, win8, win10, (32/64) systems universal software. Easy & Simple to assemble the whole laser engraver according to the instructions in the USB flash drive. *PREMIUM QUALITY- The construction-body, made of aluminum alloy & acrylic plate, is light in weight but resistant to extreme working conditions, prolonging its service life. *VERSATILE USE- The laser engraver machine is used for gray engraving, sketch route cutting, line scanning engraving, spot engraving, etc. Applied material such as plastics, soft aluminum, woods, acrylics, PVC, PCB,forbidden to cut or engrave hard metal, jade, or other hard materials.Note: The manual, software, list, and assembly video are stored in the USB. For more details, please refer to the USB. Specifications Effective Working Area: 395(X) x 285(Y)mm/15.55 inch x 11.22 inch Motor: 42 Stepper Motor Input voltage:AC 100V-240V, 50/60Hz Working voltage:DC 12V 5A Motor Parameters: current: 1.33A,Torque: 0.25 N/M Control software: GRBL control 24V 5.6A controller Accuracy: 0.1 mm Connection: USB Applies to: Win XP, Win7, Win8, Win10 Product Size(CM): 53.8 x 48.7 x 21.6 (L x W x H)/ 21.18 x 19.17 x 8.50 inch Package Content 1 x 3040 Engraving Machine 1 x 2500mw Laser Engraver 1 x Controller 1 x USB Drive 1 x Eye Protector 1 x Set of Tools