产品特点：
▶  支持远程监控数据，故障维护处理
▶  低待机功耗
▶  支持CAN和RS485通讯
▶  支持蓝牙，蓝牙APP
▶  高可靠性，稳定性

Product features：
▶  Support remote monitoring data and troubleshooting
▶  Low standby power consumption
▶  Support CAN and RS485 communication
▶  Support Bluetooth, Bluetooth APP
▶  High reliability and stability