DDSD285-F16 is a new generation of advanced multiple functional single phase two wires, anti-tamper, smart energy meter. The meter can realize the function of automatically data reading.DDSD285-F16 has excellent anti-tamper feature like anti-bypass feature and terminal cover open detection sensor. For the measurement, it meters the active energy in two directions. Moreover, the meter also supports optical and RS485 communication. It is suitable for residential and commercial users especially in school, apartment projects, etc.