It has a series of features such as "beautiful", suitable for: "residential districts, urban public change, bustling downtown, urban residential areas, urban public power distribution, street lamp power distribution, industrial and mining", etc., except for RS485/RS422 bus methods External GSM wireless networking technology and multi-station management technology, using GSM network for remote communication management, can achieve the advantages of safe and reliable operation, convenient maintenance, beautiful appearance, etc., with small size, small footprint, large selectivity, and on-site The installation volume is small, the installation and debugging cycle is short, and it moves with the load center.