supply of display unit (tv) screendisplay unit (tv) screen,supply of, display unit (tv) screen size:55, resolution:3840x2160 uhd, type:4k ultra hd. m ake: samsung, sony, lg or similar. detailed specification: 55 inch display unit (tv), bis approved, screen size:55, resolution:3840x2160 uhd, type:4k ultra hd, bis : as per following detailed technical specificatio n, number of hdmi ports : 3, number of usb ports : 2, number of vga ports : 1, number of ethernet ports : 1, built-in wi-fi : yes, wi-fi direct : yes, composite input : yes, details of accessories (included in the scope o f supply) : connecting cable x remote control, screen size (inches) : 55, resolution (pixels) : (3840x2160) uhd, category : smart, operating system in case of smart tv : android, typical brightness : 400 ? 500, scre en mirroring : yes, mount type : both table and wall mount, inbuilt speakers : yes, if yes, wattage of speak ers : 20w x 2, energy star rating in line with the government of india notification number s o 1896(e) and s o 1897(e) : 5, warranty(years) : 5,type of display technology : led backlit lcd, bis registration as per crs o f meity : yes [ warranty period: 60 months after the date of delivery ] ] => limited