2)Consumption Limit Setting

3)Tamper Detection and Security

4)Low credit notification and user settings features

5)Power failure display and interactive function, internal super capacitor can ensure power failure for 48 hours

6)Multiple types of event logging, include tamper event, recharge event and grid event

7) The dual relays can be automatically controlled in the event of low balance, overload ,tamper or hardware failure .'

8)Ultrasonic welding.