bids are invited for camera - cctv camera for security purpose , dvr - a digital video recorder  ( dvr ) is an electronic device that records video in a digital format to a disk drive, usb flash drive, sd memory card, ssd or other local or networked mass storage device. , led screen 32 - a led display is a flat panel display that uses an array of light-emitting diodes as pixels for a video display. ... led displays are capable of providing general illumination in addition to visual display, , wire - a copper wire is a single electrical conductor made of copper. it can be insulated or uninsulated. ... copper wire and cable is used in power generation, power transmission, , wifi router - a wireless router, also called a wi-fi router, combines the networking functions of a wireless access point and a router. total quantity : 1