Specifications Item model number ATOMSTACK P9 M40Print Size Recommend Print Size 220 250mmCarving Objects Wood bamboo cardboard plastic leather PCB board aluminum oxide non reflectiveElectroplating layer and paint surface layer metal 304 mirror stainless steel glass ceramics cotton cloth slate Cutting Objects Cardboard non woven fabric wood board acrylic some thin plastic board sponge Laser power 40WLaser output power 5 5 5WWave Length 445 ± 5nmEngraving accuracy 0 01mmFocusing method fixed focus laser no need to focusLaser protective cover Protect the user s eyes and prevent pets from grabbing the laser spot Operating software LaserGRBL LightBurn support Win XP Win 7 Win 8 XP Win 10 system Input Format NC BMP JPG PNG DXF etc Data transmission method USB connection SD cardInput Voltage AC100 240V 50 60HzOutput Voltage DC12V 5ACertification CE FCC RoHS FDA PSEFeatures 1 New filter eye protection acrylic design The filter acrylic protective cover plays a good role in protecting your eyes filtering 97 of ultraviolet light you and the people around you do not need to wear goggles you can also watch the laser engraving Reduce your goggle expense and the inconvenience of wearing goggles 2 Robust and easy to install structure design The all aluminum alloy anodized structure design makes the machine more long lasting and improves the accuracy of engraving The portable all metal structure 85 pre assembly can be installed in