Self Powered Wireless DoorBell Door Bell DisplayTemperature Humidity Time No Battery EU US Plug Smart Home

SPECIFICATIONSBrand Name: ZXTOPOrigin: Mainland ChinaConnection Type: WirelessPower: Electric SupplyDisplay: ColorFeature: NoneItem Type: Wireless DoorbellAlarm: NoCertification: CESmart home platform: NONEHumidity Accuracy: ±5% RHTemperature Accuracy: ±1℃Working Temperature: -20℃-65℃Battery: No battery required, self power