SpecificationModelXSL-A8,Mainly describesConnection MethodWireless,Kit ConfigurationOne to One video doorphone,Additional featuresRecording,Photographed,RFID,Outdoor UnitCamera Sensor typeCMOS,Sensor Size(Inch)1/3,Resolution700TVLine,Lens (mm)3.6,Viewing Angle (°)92,Minimum Illumination (Lux)0.01,IR Distance(m)4-5,MaterialMetal,Outdoor Unit dimension(mm)180*91*30mm,Outdoor Unit weight(g)554,Indoo..