This is Analog System Video Door Phone. It is not Android System, in that it cannot connect mobile phones for remote control. It can also perform card swiping, password unlocking, calling indoor unit unlocking and other operations. This analog system can automatically write the room number by video door phone, which only requires a few simple steps.

With large 7-inch HD touch screen display. It has calling, intercom, unlocking, monitoring functions. It has high quality screen with touch screen, the video is stable and clear. Full-duplex voice intercom is comparable to ordinary telephone intercom. It adopts low-power technology scheme, save power, reliable and long life. LINUX system platform architecture, the system is streamlined and stable. It can also call the elevator and carry out elevator linkage.