Hikvision DS-D5022F2-1V2. Display diagonal: 54.5 cm (21.4"), Resolution: 1920 x 1080 Pixels, HD type: Full HD, Display technology: LED, Response time: 8 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. VESA mounting. Product colour: Black