Spec：

• ● Power Supply：DC-12V，It supplies by each elevator phone（ with DC-12V battery）
• ● Power Consumption：Standby 10mA˙Max. 250mA
• ● Case Material：A B S plastic
• ● Dimension：208mm ×100mm ×80mm

Function：

• ● 1.It communicates with elevator phone of ccenter station.
• ● 2.It communicates with elevator phone of machine room.
• ● 3.It may contact max. to 10 sub-station, and talk with multi-sub at the same time
•