Quick Details Screen Size:55 Inches Interface Type:LAN, USB, support HDMI input Resolution:4K(3840*2160), HD1080(1920*1080) Receiving System:NTSC, PAL Refresh Rate:PAL(50Hz) ANT in (IEC terrestrial/cable):2 Piece Standard VESA:75x75 Brand Name:Sozn Model Number:DP001 Type:LCD Backlight Type:LED Wide Screen Support:Yes Display Format:1080P (Full-HD) Use:Hotel TV Place of Origin:Guangdong, China Product name:Led TV Language:Mul-ti Language Function:Household Keyword:Led Smart Tv Panel brand:L.G Power supply:AC100-240V DC12V Interface:USB Slot Item:Used Flat Screen Tv Input signal:FHD