445-450nm 15W Blue Laser Module Mark On Metal for DIY Laser Engraver Machine

Specifications Material Hard Aluminum Brass Operating Voltage DC 12VWavelength445 450nm Blue ray Output Powerpulse 15W average 8WWorking Current4 5AFocal length16mm can not be adjusted Operating temperature 15 C 45 CSize10 x 6 x 4 8cmUsageCarving stainless steel anodized aluminum ceramics stone wood bamboo leather plastics etc Can EngraveMDF Balsa Paper Wood Fabric Plastic Leather Plywood Foam Paper Anodized Aluminum Ceramics Stone Stainless steelCan Not EngraveMetal Glass PCB Reflective Material Transparent MaterialFeatures Made of high quality hard aluminum and brass material the surface is by anodized and sandblasting not easy rust very durable One of the most powerful diodes available upgrade your Wood engraver to a Metal Marking Machine It can mark metal and stone cut wood foam and other materials easily With heat dissipation fan make it with longer service life Note Please wear the protective glass when you use the laser module Do not touch the laser light directly in case that hurt the body and skin Keep children and pets away fromthe laser module when it working The Laser dot could not be adjusted please make sure the distance between bottom of the laser module and engraving material is 16mm Use the plastic column to do it Or it will influence the result Please connect to the driver board carefully The Red cord is 12V the black cord is GND the yellow cord is Signal S Please make sure you know how to connect it Or it migh