(1) Laser medium Nd: diode pump laser. (2) Engraving speed: 2000 points/s. (3) Size of system: 28"(L) * 20"(W) * 25"(H). (4) Power: 1500(w). (5) Laser Position accuracy: 3um (6) Laser Engraving Resolution: 5um (7) Power supply: 220v or 110v with 50/60Hz (8) Max. Engraving size: 6"(X), 5"(Y), 4"(Z). (9) Laser Engraving speed: 120000 points/min. (10) water cooling system. (11) Head of 3D laser machine: 1. (12) System weight: 100 kg.