Wireless headset can be connected to colored screens, DP-4VHP

A hand microphone that can be connected to colored screens, DP-4VHP. DP-4VHP is a hand microphone that can be connected to colored screens with the ability to communicate with visitors, and also provides a comfortable grip for the microphone itself. Product features: This unit is designed to be installed securely on the wall or horizontally. When installed flat on the wall, the holder allows access to the unit for a comprehensive view of the unit. The visitor presses the call button, and the volume can be adjusted with the switch on the side of the phone. Pick up the handset and start communication, then check the visitor first and press the door open button to open the door.