NEC PRO2070SB 22" DTR-NF .24 140kHz TCO99 USB, 55.9 cm (22"), Display / CRT conventional - desktop, 2048 x 1536 pixels, 55 cm, 50 - 160 Hz, 30 - 140 kHz NEC PRO2070SB 22" DTR-NF .24 140kHz TCO99 USB. Display diagonal: 55.9 cm (22"), Type: Display / CRT conventional - desktop, Display resolution: 2048 x 1536 pixels. Certification: TCO99;(TCO95 for black models); CE; TÜV-GS; MPR-III; FCC Class B; UL/C-UL; PCBC; GOST; ISO.... Dimensions (WxDxH): 495 x 471 x 484.5 mm, Weight: 30 kg. Surface treatment: OptiClear coating. I/O ports: 2 x Mini D-sub 15-pin, USB (4 downstream, 1 upstream ports)