Please konw that this engraving machine can not engrave on the metal directly!
Format A4 All metal body, strong and durable, high accuracy. Max. Engraving Area: 300*230mm
No limit on object's size,the machine can be set and worked on the object, eg, 5.5W(5500mW) laser power
Simple & easy to use software. Support Windows 7 & Windows 8
After testing, 5.5W can cut 4MM linden wood,more powerful,cutting wood more easily.2.8W can cut 2MM linden wood.