This unit has been tested and is in excellent working condition.
The set is complete. Batteries not included.

    This wireless microphone clips to your clothing and is ideal for meetings and presentations. Includes receiver, transmitter and microphone with lapel clip.
    Single-channel wireless microphone system for easy operation. 200-ft. operational range allows you to use in front of a large audience
    Microphone clips to clothing, leaving your hands free
    Built-in compander noise reduction allows audience to clearly hear what you are saying
    You'll also need: 9V, 200mA AC Adapter for Receiver (included) AA batteries (2) for Transmitter (not included)