Philips 21PT8467 21" real flat stereo TV. Display diagonal: 533.4 mm (21 "), Aspect ratio: 4:3, Display: Real Flat picture tube. Analog signal format system: NTSC PAL (all versions) NTSC PAL N PAL M. Audio system: Incredible Surround Stereo SAP, RMS rated power: 2 W, Sound enhancement: Auto Volume Leveller Ultra Bass. Colour of product: Black, Silver Frost, Black Speaker Grille. Power consumption (standby): 1 w, Power requirements: AC 100-250V, 50/60Hz