Camera: 1/2.9" 2MP CMOS Low Illumination HD Colorful Camera; Focal Length: 2.0mm, Video Frame Rate: 25 fps; Light Compensation: Auto IR; Day/Night: Auto (ICR); Audio Input: 1 channel; Audio Output: Built-in speaker; Audio Mode: 2-way voice communication; Status Indicator Light: 3; Alarm Output: 1; Exit Button: 1; Door Status Detection: 1; Lock Control: 1; Power Supply: DC 12V-24V 1A; Standard PoE; Product Dimensions: 130 mm × 96 mm × 28.5 mm (5.12" × 3.78" × 1.12")en