5-Unit Home Apartment Visual Intercom Doorbell System,7" LCD Screen Bus 2pin Wired Video Door Phone Kit,for Home Night Vision(1 Doorbell+5 Monitor)

2pin-Wire SystemThis door phone system required only two wires, power, audio, video and control signal all transmitted by a 2-wire cable, non polarity, central power supply.
Multi Functional DoorbellThis indoor doorbell system Little rain and oxidation-proof for the durable aluminum alloy outdoor unit with white led night vision.Visual doorbell system has 7" color TFT LCD without radiation, low power consumption and high definition,can to unlock 2 locks simultaneously,Mute indoor intercom function, Monitoring the outside of the door, Volume, brightness and contrast adjustable.
Easy To InstallThis door phone system use Plug-in connectors and DIP switchers for rapid installation.Integrated Multi functions with simple operation makes the system more attractive, Flexible cable connection to wire, support in-out, branching and mixed mode. Dual intercom communication between indoor units.
Widely UsedThis door phone system can be widely used in Villa, office, private house, and other place needs intercom.It is not only a intercom system, but also a home security system.Using integrated power suppply,max support 2 outside unit and 6 indoor monitors.
Rfid Keychain UnlockingThere are several ways to open the door lock when you are outside the door: using the RFID keyfobs .This item comes with 5 RFID keyfobs(including added keyfob and deleted keyfob) . Besides, if you need more RFID keyfobs, you can add the quantity of the RFID keyfob as you like.