The WIDE MX 30 3 Megapixel Mono Display Monitor features a 21.3"/541.4 mm diagonal display, a 176 degree up and down/right and left viewing angle, and 14-bit gradation. Diagnostic modes supported are mammography high, mammography normal, CT/MRI, and ultrasound. The monitor features push button controls, a DVI-D input , one upstream USB port and three downstream USB ports.