... tones can be customized* Embedded microprocessors, intelligent operation* May set the encoding mode, select ring / chords* Independent households password and ... call,* Independent hardware MPEG4 video codec engine,* Peripherals to support the expansion of SD / MMC card, high-speed USB2.0,* ... ×W348×H55mm* Buried pre-installed sizeL260×W305×H25mm* InstallationEmbedded against the wall, fitted out