4.3 Inch HD Digital Door Viewer Smart Home Peephole Doorbell Camera PIR Motion Detection Night Vision Video Doorbell

Parameter:Camera module :Image Sensor 1/4" CMOS(0308)Effective Pixels :1280(H)×960(V)Minimum illumination :0.5Lux/F2.0 (color)0.02Lux/F2.0 (black and white)White balance :Automatically track white balanceGain control :automatic Signal to noise ratio :dBGreater than 50dBBLC :open Wide dynamic :YESElectronic shutter :1/4-1/10,000sDay and night mode :Filter color to blackfocal length :2.4mmHorizontal viewing angle :90 degreesAperture number :F2.0Infrared night vision light :2, 3MM, flat, angle 90, 850 infraredAutomatic shut-down :Off, 10 seconds, 20 seconds, 30 secondsLanguage :Chinese, English, French, German, Spanish, Portuguese, Italian, Russian, Hebrew, etc. (the built-in language of each version may be different, other languages can be customized)