VIZIO D55u-D1 55" Class Ultra HD Full-Array LED Smart TV (Black) Stunning Ultra HD picture - Experience incredible detail and clarity with 8.3 million pixels with 3840 x 2160 UHD Spatial Scaling Engine - Beautifully transforms 1080p Full HD sports, movies and TV shows to spectacular 4K Ultra HD resolution. VIZIO Internet Apps Plus - Optimized for Ultra HD streaming, beautifully simple Smart TV delivers instant access to the hottest movies, TV shows, music, and more. 802.11ac dual-band Wi-Fi - Up to 3x faster than 802.11n, perfect for Ultra HD video streaming. V6 Six-Core Processor - Quad-core GPU and Dual-core CPU for blazing fast performance and faster, smoother Smart TV experience. Details panel with stand, panel without stand, Width: 48.8 in, 56.6 in, Depth: 10 in, 2.5 in, Height: 28.4 in, 30.7 in, Weight: 36.6 lbs, 37.5 lbs