Screen Size: 50 inches Interface Type: Composite A/V, DISPLAYPORT, LAN, Separate Video, Toslink, USB, VGA, Component Video, Digital Audio, support HDMI input, WiFi Resolution: 4K(3840*2160), HD(1366*768), HD1080(1920*1080), 1366*768,1920*1080P,3840*2160 Receiving System: NTSC, PAL, SECAM Refresh Rate: PAL(50Hz) ANT in (IEC terrestrial/cable): None Standard VESA: 300X300 Brand Name: CCTO Model Number: E9 series Type: LCD Backlight Type: LED Wide Screen Support: Yes Display Format: 1080P (Full-HD) Use: Kitchen TV Place of Origin: China Product name: led tv 4k Aspect ratio: 16:9 Panel Size: 50 inch Panel Grade: A+,A,A- Solution: ATV,DTV,Smart TV TV System: PAL,SECAM,NTSC,DVB-T Brightness: 180-250 nits Light source: LED Resond Time: 5 ms Minimum order: 500 SETS Lead Time: 500sets, negotiable