... kWh 2.Degree of accuracy:1.0,2.0 3.CCC certificate Quick Details Place of Origin: Zhejiang ... of “prepaid first, use power sooner”CertificateCCCcertificate,zhezhi code 00000321StandardIEC 62053-21GB/T 17215.321 ,GB/T 18460 ... off the electricity when fail to pay. Digital code scope displays the used energy and the last energy ... ),3×5(20),3×10(40),3×15(60),3×20(80)Reference voltage V3×57.7/100,3×220,3×380,3× ...