Visitor presses the button on the door unit, the room unit rings. Host picks the handset up and talks with visitor. Upon confirming visitor identity, just press the door release button on room unit to open door. Please be noted that the unlock button on the room unit works on the door lock that you have is the electric one. The door unit and room unit are connected by two wires.
|Mounting Type||Surface Mounted Type|
|Effective Wiring Range||200M|
|Wiring||2 wires from room unit to door unit, 2 wires from room unit to electric lock|
|Door Unit Dimension||10.5L x 8W x 3.5H cm|
|Room Unit Dimension||22.5L x 9W x 4.5H cm|
|Package Size||32L x 22W x 8H cm|
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