supply of tv , supply, installation and testing of display unit (tv) screen for nms, size: 55, resolution: 384 0x2160 uhd, type: 4k ultra hd. make: samsung, sony or lg, it shall be industrial grade capable of working 24x7 hours.detailed speci%ue045cation: 55 inch display unit (tv), bis approved, screen size:55, resolutio n:3840x2160 uhd, type:4k ultra hd, bis : as per following detailed technical speci%ue045cation, 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 of supply) : connecting cable & remote control, screen size (inches) : 55, resolution (pixels) : (3840x2160) uhd, cat egory : smart, operating system in case of smart tv : android, typical brightness : 400:500, screen mirrori ng : yes, mount type : both table and wall mount, inbuilt speakers : yes, wattage of speakers : 20w x 2, en ergy star rating in line with the government of india notifcation number s o 1896(e) and s o 1897(e) : 5, wa rranty(years) : 5,type of display technology : led backlit lcd. [ warranty period: 60 months after the dat e of delivery ] ]