830nm IR sensitive thermal aluminum plates, 4-up external drum platesetter, 21 Plates per hour, Resolution: 1200/2000/2400/2540/4000 dpi, Plate thickness: 0.006" to 0.012", Min. plate size: 12.8" x 14.5", Max. plate size: 32.7" x 25.9", Image area: 32.7" x 24.9", Includes RIP processor and software, 32 Infrared laser diodes