Amcrest Add-on camera Unit for Amcrest Ac-2, Video Baby Monitor camera, Two-Way Audio, Motion Detection, PanTiltZoom, Temperature Sensor, Night Vision, (Ac-2-c)AMcREST MODEL: Ac-2-c cAMERA FEATURES: Lens Focal Lenght: F28mm Angular Field of View: 50A field of view Night Vision: 15 ft in the dark Ex..