High Die-cast Aluminum construction,
 4.5-inch, Low noise design
 360° Continuously rotation, rotation rate 300°/s. 
 OSD  function
 128 preset positions,60 seconds self studying function per track,total  4    tracks
 Multi-protocol baud rate for option                                   
 Image sensor 1/4" CCD
 Active pixels 752H×582V
 Resolution 480TVL
 Min. illumination 0.7LUX
 S/N Ratio ﹥50dB
 Electronic shutter 1/50~1/120,000s
 Scanning frequency 15.625KHz(H) 50Hz
 White balance AUTO
 AGC AUTO
 Video output  1.0Vp-p at 75ohm
 Zoom 10X