... current control scheme 4.Big lens aperture, special manual 5.High quality Quick Details Place of Origin: Shenzhen China (Mainland)Brand ... CCD, provide a low illumination circumstance clear imagesl 48 decibels, high-quality signal-to-noise ratio (S/N)l Minimum illumination, ... )SNR (S/N)48DBElectronic shutterautomatic,1/50-1/100,000sγcorrection ( Add manasseh )0.45Video output amplitudeVBS1.0Vp-p(75Ω, ...