... working table 4. Good service laser acrylic sheet cutting machine/laser cutting company/laser cnc router parameters Models QC6040Laser power ... ~45Humidity:0%~95%Control system and driver High speed DSP control,high subdivision driver,stepper motorLaser output control0~100% no ... 0~100% adjustableStandard machineDSP control system,stepper motor and driver,1 focus lense,3 reflect mirrors,co2 sealed glass ...