... meter 2-zigbee communication meter. 3-RS485 is optional 4-four tarrif is optional 5-CE certificate 1.Product DetailsProduct NameSingle phase ... , Zigbee communicationPower ConsumptionIEC62052-11,IEC62053-21Material of meter caseABS or PCSize100*78*65mmCertificateISO9001,CEStandardIEC62052-11,IEC62053 ... 000pcsDelivery time30-35daysNormal PackageCarton, Pallet Single phase DIN-Rail Zigbee meter