1.In possession of all the functions of electronic three-phase watt-hour meter;

2.Setting of user’s pre-purchase quantity,preset max load power limitation,alarm electric quantity;

3.Eletric quantity alarm,overload alarm power failure,and 0kWh power failure control;

4.Single-phase and three-phase prepay watt-hour meter share one prepay electric distribution system;

5.In possession of network electric function;

6.Equipped with photoelectric coupling test output port.