Product Details:

Talk-thru units are the most convenient way to talk through a glass partition. In case the power supply of your talk thru communicator is damaged or worn out, you can easily replace it with this to get the device functioning again.
Other features: The unit provides a stable supply of power to keep the device running.
Repair your systems reliably by simply replacing just the power supply unit.
This power supply delivers the required current level and has a degree of margin beyond the minimum demand.