tender for replacement of video walls on 2nd and 4th floor of meeting halls in a block dr. spm civic centre, minto road, new delhi , replacement of video walls on 2nd and 4th floor of meeting halls in a block. , supply installation testing and commissioning of active led wall of 163 inch minimum diagonal with following specifications:- 1) minimum size of screen = 163 inch minimum diagonal with minimum 1 no. spare cabinet 2) min resolution =1920*1080 minimum 3) pixel pitch less than 2 mm 4)brightness(max)= 500 nits minimum 5) contrast ratio = 3000:1 minimum 6) led type = smd 3 in 1 led or better 7) color processing depth= 16 bit minimum 8) viewing angle =150 degree and 150 degree(horizontal and vertical) minimum 9) life span(hrs) = 100000 minimum 10) refresh rate = 3000 hz minimum 11) maintenance = quick swap with auto colour caliberation 12) operating voltage = 230 volts ac @50 hz 13) operating temperature= 0-40 degree or better 14)brightness uniformity =98% minimum 15)depth of screen = 80 mm maximum 16)connectivity ports = hdmi,dp,usb,control port,audio out minimum 17)operating humidity= 10-80% rh or better 18)ip protection= ip 20/ip30 or better 19) service direct warranty from oem = 2 years minimum 20) power consumption = 2400 watt maximum with easy remote control operation,buttons on screen for easy control and operation,inbuilt operating system,processor and memory including video wall controller and video wall controller software all from same oem including wired connection for atleast 2 users along with compatible switcher/scaler and frame for surface and back fixing and support for installation as per the directions of engineer -in-charge. , supply installation testing and commissioning of 98 inch ultra hd display with following specifications:- 1) screen size= 98 inch minimum 2) aspect ratio= 16:9 3) resolution=3840*2160 minimum 4) brightness = 350 nits or better 5) contrast= 1200:1 min 6) viewing angle= 178(horizontal)*178(vertical) minimum 7) response time=8 ms or better with minimum 3 years onsite warranty and suitable kits,connectors and accessories, wall brackets ,suitable frame for wall fixing and support for smooth operation of system.