TWall-mounted high speed preset sphere head vidicon camera features 1/4" Sony Super HAD CCD sensor. 480TVL resolution and high strength double glazed aluminum lunkerite bottom canopy, high temperature resistance and resistant to corrosion. 360° continuous rotation, the max speed 300°/s. 4 roads alarm input and one road alarm output, 6 roads programmable tour check, 128 pre-points, with self-learning function. OSD display English menu, pre-point title and camera address, etc displayable. Integrated multi protocols, baud rate optional, multi-cameras self-adaptation and standard RS-485 control. Packed ports, with hot plug function, convenient for aloft working. Zone hidden selection function (maximum 8 programmable hidden zones). Built-in 3KV lightning protection, surge protection and instant over voltage protection. Adopt all-weather shield, built in automatic thermostatic apparatus, adopt AC 24V power and line lock available. About forty four hundred thousand pixel, 12 times digital zoom.