Thomson 21" X-Flat Virtual Dolby. Display diagonal: 533.4 mm (21 "), Aspect ratio: 4:3, Viewable size diagonal: 510 mm. Analog signal format system: PAL+/SECAM/NTSC 3.58 / 4.43. Colour of product: Black. Power consumption (typical): 65 W, Power consumption (standby): 5 W, Power requirements: 220 - 240 V +/- 10% / 50 Hz. Teletext: 10 pages, Teletext level: 1.5