The product is discount for sale during china 2016 National's Day , purchase to visit : www.fondsale.com Product Positioning: LED TV, Internet TV, smart TV, ultra high-definition TV Screen size: 48 inches Aspect Ratio: 16: 9 Resolution: 3840 * 2160 Backlight type: LED light-emitting diode Best viewing distance: 3.1 - 4.0 m Supported formats: 2160p (Ultra HD) Output Power: 20W Sound system: Dolby MS10 / MS110: MS11 DTS Studio Sound / DNSe +: DTS Studio Sound DTS Premium Sound / DTS Premium Sound5.1: DTS Premium Sound5.1 Streaming Media Player: Support USB Media Player: Support