Spec：

• ● Power supply：DC-12V provide by digital power supply.
• ● Power Consumption：Stand by 20mA˙Max. 68mA
• ● Material：A B S plastic
• ● Dimension：222mm ×85mm ×70mm

Function：

• ● 1.There are 16 buttons for connect with room to room, calling with room station and pick up the handset to talking.
• ● 2.This model has simple security function and two way door bell function.
• ● 3.There are four wires system, (simple security and two way door bell extra the wires)
•