... level. And there are protection switch to test the external water, ventilation, etc.5) Easy control of laser power: ... Switch Power Supply, DC Converter, YAG Laser Power Supply, Fast Axial Flow Power Supply, AC Stabilizer, source, current source, electric source ... Power Supply, DC Converter, YAG Laser Power Supply, Fast Axial Flow Power Supply, AC Stabilizer, source, current source, electric source ...