HTPOW 1000mw Mini USB Laser Engraver DIY Art Craft Printer Handicraft Engraving Cutting Machine SAFE AND EASY TO USE:We consider SAFETY a primary concern,thats why we provide the Goggle to Protect Your Eyes when the Laser on Engraving.512x512 high Resolution Print PORTABLE AND STRONG DESIGN: The Engraving Tool Carves by 405nm Blue Violet Laser with Durable Iron Alloy Frame ,a Cool Desktop DIY Laser Engraver Tool for DIYers and Hobbyist,Ideal for Decorative Engraving or Personalizing your Small Items,it will makes your DIY more Stable and Easy 1000MW HIGH POWER Laser Engraving Machine with precision laser movement,it allows for DARKER and DEEPER Engravings which can also be had by having the Head move at a Slower Speed.Engrave with 3 different modes: Black&White,Gray Scale and Offline;With the off line mode, you can only connect with the power and disconnect the computer after transferring the image to the engraver ENGRAVE,DECORATE,Or PERSONALIZE A WIDE VARIETY Of MATERIALS:Wood,Plastic,Bamboo,Leather,Paper,Bubinga and other Flammable Materials(Such as:Phone Case,Mouse,Pencil,Name Card,Wallet,Wood/Plastic Comb,Glass Frame,Small Size Wooden Frame,Fruit Skin etc).Please kindly note that the HTOPW Laser Engraver is only Works on Combustible Materials;NOT for Metals, Glass,Stone,Ceramics,Transparent objects SUPPORTED SYSTEMS: Supported on Windows Systems-Windows 97/03/7/8/10/XP (Not Supported on UNIX, MAC, Linux);Fits for the Type of Picture Format --JPG/GIF/BMP/DIB/ICO/CUR/PNG;Directly Charged by AC 110V-220V Power Adapter, Simple and Convenient. Rotate the laser cap to calibrate the laser focus,and also make sure both the USB cable and Power cable are connected successfully, use the program software to control the machine which would be better, If the software is exe file type,you might need to temporarily shut down the antivirus software before downloading the software if not some files in the software would be mistaken for virus and deleted by antivirus software.