supply of supply of 4k professional large format display.supply of 4k professional large format display., supply of 4k professional large format display with the following details:- screen-non touch type & size 55 inch, duty cycle - 24x7, aspect ratio - 16:9, native resolution ( pixels ) -3840x2160 ( uhd ) , brightness ( nits ) minimum-500, panel technology-in panel switching ( ips ) , response time -8m second, in built speakers, input port ( hdmi, dvi-d, usb, rs232, rj 45 ) , in built ignage software, on site oem warranty-3 year. make / model no.- lg55uh5f-h or similar. [ warranty period: 36 months after the date of delivery ]