Model Sparrow20E is an air-cooled 20W fiber laser machine. It is the split unit of Sparrow20. It can do fine marking, deep engraving on all metals, including precious metals like gold and silver and some non-metals.
The size of the Sparrow20E is small and compact and weighs only 30kg. It is to be used together with a WINDOWS OS computer/laptop. The marking software and drivers needed are in the USB drive that comes with the machine. Switches are on both the machine and PC, very easy to use.