Ortur Laser Master 3 20W Laser Engraver & Cutter Machine with Ortur Air Pump

· Comes with Ortur Air-Pump OAP1.0

· High Precision 20W Diode Laser Cutter & Engraver

· Superior 20,000mm/min Ultra Speed

· Breakthrough COS Packaging Technology

· Combines 4 diode laser beams to compress a finer beam and powerful energy.

· 0.08 0.08mm Square Spot

· Explore 380 Colors on Stainless Steel

· Efficient Integrated Air Assist System

· Double Cooling Fans

· Airflow Guided Blinds

· Quick Focus Stick

· Laser Filtered Viewable Window

· Top 7 safety features including USB connection monitoring and current-voltage control system create an all-around safe engraving condition for you.