DDSD285-S16 single phase electricity smart meter is designed for smart grids. It can not only accurately measure power consumption information, but also detect power quality parameters in real time. Holley smart meter integrates flexible communication technology supports interconnection in different communication environments. It supports remote data upload and remote relay switch off and on. It can reduce Power Company operating costs and realize demand side management; it also can realize remote firmware upgrade and rate distribution, which is convenient for power company operation and maintenance. The meter is an ideal residential and commercial product.