Philips 21PT2125B 21" real flat TV. Display diagonal: 533.4 mm (21 "), Aspect ratio: 4:3, Display: Real Flat picture tube. Video playback: NTSC PAL. Analog signal format system: NTSC PAL PAL B/G, Supported radio bands: UVSH. RMS rated power: 2 W. Colour of product: Bi color black, silver frost