Mainly describesConnection MethodWireless,Kit ConfigurationTwo to Four more video doorphone,Additional featuresMultifamily video doorbell,Outdoor UnitMaterialMetal,Indoor UnitDisplay Screen Size (inch..
Outdoor UnitIR Distance(m)3-8CM,Indoor UnitOperating Voltage(v)DC12V±10%,Working temperature(℃)-10~70,Indoor Unit dimension(mm)114*84*22,Indoor Unit weight(g)200,..