... water chiller; rotary attachment etc H Series Laser Engraving and Cutting Machine RJ-1590Features: 1.European style design.2. ... 100% No section controls. Soft inner 0-100% AdjustableControl System and DriverHigh Speed DSP control ,High subdivision driver, stepper motor( ... EnvironmentTemperature:0-45 Humidity:5%-95%(no condensate)Supported Format and SoftwarePLT, DST, DXF, DWG, AI, LAS Support AutoCAD, ...