bids are invited for video surveillance cameras - min 8 mp 20x-25x dz 3x-5x op 12 mm varifocal lens cmos size 1/2.8 to 1/2.3 and as per attached technical specifications , surveillance network video recorder - 16 ch, 16 ch ip based, recording speed 30 fps 4k (3840 x2160) , storage device - supported window, mac, linux 5 year warranty foram factor 3.510 terabyte 2 usb port nvr-ready cache 256 , port fast ethernetdevice 08 port - ieee 802.3af 100mbps full duplex, 10 or 100mbps ransfer rate,10m port maximum 14,800pps, , ethernetdata cable bundle of 300 mtr - cable can transmit data at 1000 mbpswith a frequency of 250 mhz total quantity : 22