Philips 21PT4205 21" stereo TV. Display diagonal: 533.4 mm (21 "), Aspect ratio: 4:3, Screen format adjustments: 4:3 expand 4:3. Analog signal format system: NTSC. Audio system: Incredible Surround Stereo SAP, RMS rated power: 2 W, Sound enhancement: Ultra Bass Auto Volume Leveller. Colour of product: Silver Shadow (10811). Power consumption (standby): 3 W, Power requirements: AC 100-250V, 50/60Hz