Mainly describesConnection MethodWireless,Kit ConfigurationOne to One video doorphone,Additional featuresPhotographed,Outdoor UnitCamera Sensor typeCMOS,Sensor Size(Inch)1/3,Resolution420TVLine,Lens (mm)3.6,Viewing Angle (°)92,Minimum Illumination (Lux)0.5,IR Distance(m)1-5M,MaterialABS,Working temperature(℃)-20-60,Outdoor Unit dimension(mm)155 * 95 *30mm ,Outdoor Unit weight(g)300g,Indoor UnitDi..