Mainly describesConnection MethodWired,Kit ConfigurationTwo to One video doorphone,Additional featuresMultifamily video doorbell,Outdoor UnitCamera Sensor typeCMOS,Sensor Size(Inch)1/3,Resolution700TVLine,Lens (mm)3.6,Viewing Angle (°)90,Minimum Illumination (Lux)0.5,IR Distance(m)3m,MaterialMetal,Working temperature(℃)-20-60,Outdoor Unit dimension(mm)118×78×35mm,Outdoor Unit weight(g)350g,Indoor..