Digital color camera series ,because the EC21`s catalogs isn`t enough to add ,so we just add to one camera to be representative ,if you need the other camera ,you can gieve a E-mail or give me a call . ----------------------------------------------------------------------------------------------------------------------------- Image senor 1/3" COLOR SONY Pixel 510?492(EIA)500?582(CCIR) Resolution 420TV line Lowest luminance 0 LUX(With infrared light) SNR ≥48DB Electronic shutter Mode of Automatic：1/50（1/60）－1/100,000（second） Aperture driving mode ―――――― White balance Auto Plus control Auto Back light compensation SUPER COMPENATION Gradation coefficient 0.45 Video output BNC, 1.0vp-p,75hm Power supply DC12V Mode of PAL/NTSC Synchronous Internal Synchronous Fixed lens F＝3.6、6、8、12?Choice Dimension Φ65?H58 mm Running temperature -20°C～+50°C