surveillance cameras 1.ir distance 50m 2.1/3" sony chipset 3.metal housing 4.PAL/NTSC sony sensor surveillance cctv camera 700tvl ... of coaxial Weak electric cable.Widely used at the airport, bank buildings, highways, prison, electricity,telecommunications, railway stations, terminals, factories, ... : L197xW97.5XH95 (mm)Camera Weight:800g original sony sensor surveillance cctv camera 700tvl