220V / 50HZ / single phase or 110V / 60HZ / single phase. Laser Source is Raycus 50W. 50W is very powerful, it can engrave metal in deep. Rotary device, you can choose one. The item "Auto focus Raycus 50w fiber laser marking machine with rotary 110mm 300mm lens" is in sale since Wednesday, July 29, 2020.This item is in the category "Business & Industrial\Printing & Graphic Arts\Screen & Specialty Printing\Engraving". The seller is "goldmarklaser" and is located in jinan. This item can be shipped worldwide.