GQ 20C has a portable laser marking head and robust laser source, makes it easier when you are marking complex, heavy objects. Pre-adjusted focus point allows you to mark quick without checking the focus system. Air-cooled laser source makes it robust under harsh environment, and optional battery powered mode allows you go deep into a complex environment and mark with no power supply cable attached. 

The marking process are very easy to learn and easy to operate. Under hand-held marking mode, simply press the green button, and you can finish pilot laser positioning, laser marking at one time. Besides, you can also use GQ 20C as a table design working station, in case you need to put workpiece on the table.