Spec：

• ● Power Source：DC 12V
• ● Contact：4set COM、NC、NO contact
• ● Material ：A B S plastic
• ● Dimension：95mm ×62mm ×29mm

Function：

• ● 1.The main function is shifted image signal and talking with receive.
• ● 2.It is equipped with a 9 PIN socket and connecting wire, a 6 PIN socket and connecting wire.
• ● 3.This automatic switch is suitable two or multi-door phone uses.