Viewing Angle : 178° USB : Video - Photos - Music Contrast Ratio : 1:1100 LED TVs are more energy-efficient as these models use light emitting diodes (LED) for backlighting These TVs consume less power as compared to cold cathode fluorescent lamps (CCFL), which most LCD TVs use This results in a power savings of up to 30% Dimensions ( Width x Height x Depth ) mm :- Without Stand : 733 x 433.3 x 77.1. With Stand : 733 x 469.5 x 178.2