60W CO2 Laser Tube for Laser Engraver Cutting MachinePrecision in your Engraving: Our CO2 Laser Tubes produce stable laser beams to make precise marks on a wide variety of materials. Power: Maximum Power: 60W Beam Diameter: 2. 5mm Triggering Voltage: 22 24 KV Operating Voltage: 18 KV Optimal Operating Current: 15 18 mA Power Stability: 5% Wavelength: 10,640 nm Cut up to 3 4" thick plywood and acrylic plexiglass Lifetime: 60W Hermetic CO2 Glass Tube with an estimated lifetime of up to 2,000 operation