... dual heads(optional) Parametres ModelYH-G1612 Laser Engraving and Cutting MachineLaser typeSealed CO2 glass laser tubeLaser power60W/80W/100W/120W/150W/60 ... , adopt advance three-phase stepping motor and good tansmission system , high speed and precision . 2. Complete function , safe and stable , ... , model-making, surface drawing, decoration etc. Samples big leather laser cutting machine with CE&FDA