| Name | Explanation | Configuration |
| Parameter measurement | U, I, P, Q, S, PF, F, etc. | Standard |
| Energy measurement | Single-phase (three-phase) energy measurement | Standard |
| Fee control | Remote charge control, pay the electricity first, then use electricity, built-in relay to achieve local opening and closing | Standard |
| Overload protection | Real-time detection of power value, if it exceeds the threshold, it will automatically trip, remove the fault point and restore the power supply after inserting the electricity sales card | Standard |
| display | 7-digit segment code LCD paging wheel display | Standard |
| Communication | RS485 interface, Modbus--RTU protocol, NB-IoT protocol | Matching |
| Vicious load control | Detect instantaneous step power, if it is greater than the set value, automatically trip, remove the vicious load and insert the relay closing card or send the closing command to restore power supply | Matching |