Main Panel SpecificationsAlarm To HostTELEPHONE,Receiving Frequency433MHz,Unobstructed Effective Range (m)100m in open area,Wireless Zones8 defense zones, 64pcs wireless sensors max,Local Alarm Sound ..
Mainly describesConnection MethodWireless,Kit ConfigurationTwo to Four more video doorphone,Additional featuresMultifamily video doorbell,Outdoor UnitMaterialMetal,Indoor UnitDisplay Screen Size (inch..