IR Dome Camera: The IR Series are a High resolution cameras incorporating the latest Sony / Sharp Super CCD and Digital Signal Processor (DSP) technology, providing the highest quality, color
images in variable lighting conditions. And offers remarkable sensitivity with an S/N ratio of 48dB. Innovative heat dispensing solution. > View Product Tour ^ Back to up Features - Infrared
night vision up to 20 meters.- 24 high brightness infrared LED- Made for total darkness area surveillance.- Fully automatic DAY & Night changeover.- Creative IR board design, equal current input
each led, IR instant on&dalay off.- Separative power management PCB, cut down heat generated from IR board. ^ Back to up Specifications Model ZDC-311P ZDC-313P ZDC-314P Image sensor 1/4"SHARP
CCD 1/3" SONY CCD 1/3 SONY SUPER HAD CCD Horizontal Resolution 420TVL 480TVL Signal System PAL/NTSC Minimum Illumination 0Lux (Infrared Lamps Turn On) Back Light Compensation On/Off Auto Electronic
Shutter Auto1/50(1/60)-1/100,000sec. IR Distance 20m S/N Ratio >=48dB Operating Temperature -20 ~ +60 Rh95% Max Sync. System Internal Sync.. Video Output 1.0Vp-p75? Power Supper DV12V