Production characteristic: 2. 5" IR Plastic Trumpet Shell Design Dome, SONY/SHARP CCD is optional, ￠8mm 11IR LED, IR Range 15m, 3. 6mm Lens IR Auto-open by CDS Control in Low Lux, Technical Parameter：

Model S3M S4M H3M H4M Image Sensor 1/3"SONY CCD 1/4"SONY CCD 1/3"SHARP CCD 1/4"SHARP CCD Signal System PAL/NTSC Horizontal System 420TVL Effective Pixels （H ×V） PAL: 500×582；NTSC: 510×492 Shuttle Speed PAL=1/50 ~1/100, 000 sec；NTSC=1/60 ~1/100, 000 sec Mini Illumination 0 Lux S/N Ratio > 48dB（Auto Gain Off） Gamma 0. 45 Lens 3. 6mm Blacklight Compensation Auto Video Output 1. 0VP-P, 75Ω White Blance Auto Power DC12V Current 100mA Operating Temperature -10 ~ 50℃（relative humidity: the most 95%）