1/4super HAD CCD image sensor sensor-standard PAL/NTSC minimum illumination 1.0Lux/F1.6 white balance automatic backlight compensation on/off auto/manual gain control electronic shutter 1/50-1/100000S horizontal resolution than >50dB 650TVL letter f=4.0-88mm F1.6-3.6 Iris auto/manual zoom lens focal length 18 times optical X12 zoom digital video output composite video: VBS : 1.0VPP at 75 0hmUSB video output interface (optional) (defaults to the built-in USB capture card) EIA/RS232C control decoder built-in communications control interface (bidirectional) communication control protocol, baud rate 9600/38400bps VISCA cruise lines 4 Article pre-reset bit 64 a power protection can protection power Qian of automatically scan or cruise State speed match can according to lens of zoom multiples de |