? Simple and stylish appearance, Complying with human engineering.

? 2.4G wireless communication technique, 360 degree Omni-directional communication.

? Wireless receiving/sending out bidirectional transceiver function.

? Connect to main unit with Cat 5 cable.

? Main unit supply the power.

? RS485 communication protocol, don’t need to worry about communication distance.

? With IC card sign-in function.

? Main unit could check the connection auto.The range of receiving wireless signal: radii 50M

? Two setup methods: wall-mounted and ceiling-mounted.