Wavelength: 1068-1080 nm Mode Of Operation: CW/Modulated Modulation Frequency: 0-5 kHz Total Average Power: 10,000 W Central Core Output Power: 5000 W (Each Head) Ring Beam Output Power: 5000 W (Each Head) Power Tunability: 10-100% Power Stability: +- 1% mrad: 0.85 1.07μm Was used on aluminum for seamless welding. Regularly serviced. Production Welder Equipped With: Two Output Heads Cables For Each Head, New In Box Seifert KG-4270, 600W, 400V, R134A Chiller