Dahua APP : iDmss( iOS), gDmss( Android), Smartpass. 0 lux (Illuminator on). > Supports max. 256 G Micro SD card; built in MIC. > Built-in IR LED, and the max. illumination distance is 30 m. > 4-MP 1/2.9" CMOS image sensor, low luminance, and high definition image.
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