Product Name: 2D 3D Laser Engraving Machine for Baby Photos Factory Sale Model NO.: HSGP-4KB Laser Classification: Semiconductor Laser Applicable Material: Crystal, Glass.Acrylic, Transparent Hard Material Automatic Grade: Automatic Technical Class: Continuous Wave Laser Cooling System: Air Cooling Application: Crafts Industr System Language: English Spanish Russian Arabic and So on 3D Laser Engraving Lifetime: ?25000hours 3D Laser Engraving Resolution: 1200dpi Working Environment: Temperature 10-28, No Condensed . 3D Laser Engraving Machine Warranty: 2 Years Maximum Pulse Energy: 1.2mj Laser Power: 3W Beam Quality: M2<1.5 Device Input Power: AC220V