NEC PLUS230 22" DTR-NF .24 115kHz TCO99, 22", Display / CRT conventional - desktop, 1920 x 1440 pixels, 21.7" (55 cm), 50 - 160 Hz, 30 - 115 kHz NEC PLUS230 22" DTR-NF .24 115kHz TCO99. Display diagonal: 22", Type: Display / CRT conventional - desktop, Display resolution: 1920 x 1440 pixels. Certification: TCO99; CE; TÜV-GS; MPR-III; FCC Class B; UL/C-UL; PCBC; GOST; ISO 9241-3/-7/-8; Energy Star. Dimensions (WxDxH): 19.5 x 18.5 x 19.1" (495 x 471 x 484.5 mm), Weight: 66.1 lbs (30 kg). Surface treatment: OptiClear coating. I/O ports: 15-pin mini D-Sub