The company is the exclusive creator of the AZZJ4C building intercom system. The gadget has a 4.3-inch LCD screen and a digital touch panel. It is simple to read numbers and screen text at night. If it has an Android operating system installed, it will be simpler to operate for both administrators and users. Working with users and supervisors is straightforward. This is the product's key selling factor. The installation of this device is also quite easy. The host's embedded box has to be wall-mounted. After installing the wire and network cable, join the network cable interface to the power interface to turn the product on.