tender for repair and refurbishment of non working cameras installed at k.n.parkat malabar hill under a.e.(m)w.w.city-ii section - supply, installation,testing & commissioning of ip fixed box/ bullet camera with 1/2.8 cmos, progressive scan, day/night, hd720p horizontal resolution , dual h.264 streaming, 25 fps, 2.8mm-10mm varifocal auto iris ir corrected megapixel lens, 0.05 lux day/night, tamper detection, wide dynamic range, 3d noise reduction, poe & standard 12vdc/24vac power input, ip66 rated vandal resistant enclosure, ul listed or equivalent. camera shall be onvif compliant. 2 s & i of 16ch nvr with 2 hdd bays