Detailed Description  CCTV 270x Sony CCD PTZ Speed 180 dg/s Dome D/N Outdoor Camera Characteristics:   Adopting multi-functional high-performance DSP design with stable performance Storing internally saved data for one year after power off Integrative design with compact structure and high reliability 128 preset positions for random storage and accurate locating Precise electric motor drive ensuring smooth running and agile reaction Pan 360°consecutive movement, panoramic monitoring Tilt 180°automatic movement, consecutive monitoring Automatically adjusting movement speed according to lens zoom ratio Automatic aperture, focus and white balance The unit has a default position. The user can setup default position for a key monitoring area according to actual conditions. If not operated after 10 minutes, the dome camera will automatically monitor the preset position. Specifications:  PTZ Dome Camera Specification Power Supply DC 15V, 2A Power Consumption 20W Pan Rotation Range0°360° endless Pan Speed5°180°/s(64 ranges) Tilt Rotation Range 0.5°90° Tilt Speed 5°180°/s Automatic flipAuto 180° flip when vertical 90° Preset Position 128 Cruise Tracking Group 4 groups (16 preset position in each) Communication RS485Bus  Baud Rate(RS485) 1200/2400/4800/9600bps Protocol Pelco-D, Pelco-P,  Scan between 2 pointsYes Guard position 1 Temperature Operation  -40 TO 60  Environmental humidity 0~95%(No Condensation) Protection Grade Weather Proof Housing, TVS1500W Lightning Proof Surge Proof Camera Specification Image Sensor  1/4 Sony Super HAD Color CCD Definition 480 TV line Signal Format PAL/NTSC Total Pixels  440,000  Lens f=3.985.8mm Zoom 18X Optical Zoom 15X Electronic Zoom Horizontal Angle of View 348 Minimum illumination 0.5Lux/0.02Lux with B/W mode  S/N ratio  50dB Electric shutter  1/501/12000s Signal output 1.0±0.2Vpp Day/Night Yes Black light compensation AUTO/OFF White Balance AUTO/OFF