DDSY3666-typ single-phase electronic prepaid watt-hour meter is my company's based on excellent performance of the electronic single-phase energy meter the research and development that has such as electric measurement, load control and user information management, etc,a variety of functions new pre-paid IC card electrical energy meter.The meter is the current reform of electricity system, and achieve energy business,Solve the charges problem  and adjust the network load conditions hardly ideal.The product of the performance indicators in line with GB/T17215.321-2008 "1-and 2-jing AC watt-hour meter only "and GB/T18460-2001 standards for electronic single-phase prepaid watt-hour meter all the technical requirements.