Built-in microphone and speaker, support two-way voice intercom;. Pixel: 1920 1080 1080P. Antenna interface: 1 WIFI antenna, support wireless network connection. Minimum illumination: "Colour: 0.01 Lux @(F1.2,AGC ON); 0 Lux with IR; B/W: 0.001 Lux @ (F1.2,AGC ON),0 Lux with IR".
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