●All in one: 2-wire non-polarity cable, easy to install.
●For samll apartments 2/3/4 family.
●Central power supply: only one power supply for the whole system. Fewer cables save cost.
●Support intercom between apartments and inner call between rooms.
●Tempered glass indoor screen, with Snapshot, video record function.
●Do-not-disturb mode setting.
●Outdoor station in Aluminum alloy panel with name plate.
●Replace old 2 wire audio system easily: no need to install cable again.