... 30, suitable for residential, factory, chain monitoring. If the transformer in the same meter or cross, cross phase, you need ... NTSCMinimum Illumination0 LUX (with IR)SNR>48dbShutter speed1/50(1/60s-1/100,000sLens focal length6,8,12,16mmCS lens optionalInfrared ... QCIF (176x144 @ PAL, 160x112 @ NTSC)AudioTwo –way audio 1 MIC In or Line Input 1 speaker or line outputCompression :G.711Maximum number of ...