(1) Laser medium Nd: diode pump laser. (2) Engraving speed: 2000 points/s.(3) Size of laser system: 29"L)*29"D)*37"W)(4) Power: 1500W(5) Laser system resolution: 600 dpi or more. (6) Positioning accuracy: 10um (7) Power supply: 110v or 220v with 50/60Hz. (8) Engraving size: 13"(Y)*15"(X)*4.0"(Z). (9) Weight: 120KG (10) Engraving speed: 120,000 points/min. (11)water cooling system(12):head of 3D laser machine: 1.