VIZIO E551VA. Display diagonal: 1387.9 mm (54.64 "), HD type: Full HD, Display resolution: 1920 x 1080 pixels. Digital signal format system: ATSC. Number of loudspeakers: 2 pcs, RMS rated power: 15 W. Image formats supported: JPEG XR. VESA mounting interfaces compatibility: 200 x 200 mm, Placement supported: Horizontal/Vertical