LG RZ23LZ55, 23", 1366 x 768 pixels, HD, LCD, Silver LG RZ23LZ55. Display diagonal: 23", Display resolution: 1366 x 768 pixels, HD type: HD, Display technology: LCD, Display brightness: 600 cd/m², Response time: 8 ms, Contrast ratio (typical): 550:1, Native aspect ratio: 15:9. Product color: Silver