Applicable system(s):XP/win7/win8/win10 ，Mac is not compatible . Notice: 500mw power only can engrave , can not cut , 2500mw and 5500mw can engrave and cut light wood . But can not cut hard wood . if you only engrave, you choose 500MW , if you want to engrave and cut , you choose 2500MW or 5500mw, The package include the Install video with flash memory disk, with detailed user manual and free software . Applicable Product and Non Applicable Scale: This wood engraving machine can not carve the following materials: Metal (regardless of thickness), stone, ceramic, jade jewelry, reflective material, colorless transparent material, soft material (7w and 10w can engrave on metal) This wood engraving machine can carve the following materials: Wood, paper, bamboo, horns, a little leather (wallet), plastic phone shell, photosensitive chapter, sponge paper Specifications: Construction: Body Aluminum + Acrylic Voltage:110~240V Engraving area: 40x50cm power: 2500mW Carving materials: Wood, paper, bamboo, some cortex (purse), cell phone plastic shell, rubber, photosensitive chapter, sponges Weight: 5kg Package includes: 1pcs wood Engraver DIY Kit Parts 1pcs Power supply 1pcs USB cable 1pcs Safety glasses Notice: The machine for a full set of spare parts, shall be installed by the buyers. We suggest cnc-based buyers to buy, this machine is not industrial grade level.