1. Bidirectional active energy measurement,energy consumption
    unidirectional accumulation
2. One card one user, ease of electricity management
3. Multi-Tariff feature(optional),configurable tariff(peak, flat, valley)and TOD
4. Data security: smart card optional embedded CoS plus dynamic 3DES encryption
5. IR and RS485, RF(optional), PLC(optional)
6. Over credit and overload power off
7. Integrated prepaid vending system and consumption inspection feature
8. For details, please refer to User Manua