Samsung UE37D6540. Display diagonal: 939.8 mm (37 "), Display resolution: 1920 x 1080 pixels, Aspect ratio: 16:9. Number of loudspeakers: 2 pcs, RMS rated power: 20 W, Audio system: Dolby Digital Plus / Dolby Pulse. Input voltage: 220 - 240 V, Input frequency: 50/60 Hz