... and one-way broadcastSpecificationTechnical data VideoPicture phone1/3" Color Sony Super HADResolution420 TVLMinimum illumination.0 Lux / F1.2SNR> ... 000,AutoWhite balance,SynchronousAuto,InternalMax. resolutionD1:720*576(PAL),720*480(NTSC)Video compression,OSDH.264,support ... superposition of words/time on imageFrame rate, streamingMax. 25fps(PAL), 30fps(NTSC) ,32Kbps~3Mbps, CBR/VBR, tunable ...