NEC PLUS230 22"DTR-NF .24 115kHz TCO95 black, 55.9 cm (22"), Display / CRT conventional - desktop, 1920 x 1440 pixels, 55 cm, 50 - 160 Hz, 30 - 115 kHz NEC PLUS230 22"DTR-NF .24 115kHz TCO95 black. Display diagonal: 55.9 cm (22"), Type: Display / CRT conventional - desktop, Display resolution: 1920 x 1440 pixels. Certification: TCO95; CE; TÜV-GS; MPR-III; FCC Class B; UL/C-UL; PCBC; GOST; ISO 9241-3/-7/-8; Energy Star. Dimensions (WxDxH): 495 x 471 x 484.5 mm, Weight: 30 kg. Surface treatment: OptiClear coating. I/O ports: 15-pin mini D-Sub