... warranty for 2 years,lifetime technical service CameraImage SensorAny one of CCD image sensorEffective Pixel704×576 Min. IlluminationCol : 0.1Lux ... F1.8 (2.8mm,3.6mm optional) Horizontal field of view:47°(6mm),12mm @ F1.8(3.6mm,6mm,8mm ... ,16mm optional), Horizontal field of view: 22.72°(12mm)Lens interfaceM12Day & NightElectronicHorizontal Resolution480TVLCompression standardVideo ...