Compression:H.264 Pan/Tilt IR Network Dome Camera Sensor:1/3 SONY CCD 520TVL ... structure,make the project installation easy and convenient Prescise stepper motor,smooth movement,keen response Selects the EEPROM data storage method ... , community, transportation, finance,home,supermarket and so on.Model DH231Pan/Tilt IR Network Dome CameraSensor1/3 SONY 520TVLDisplay Resolution500(H)×582 ...