Silent Call Medallion Series Wired Doorbell Transmitter DB1-MC FM Listening System Four (4) alarm options:

Four (4) alarm options:

Fun for signers of all ages

Amplifies incoming voices up to 170 times (45+dB)

and colour LED icons for:

Silent Call Medallion Series Wired Doorbell Transmitter DB1-MC FM Listening System Four (4) alarm options:Connect this device to your doorbell and receive alerts when someone presses the button. Become aware when someone is at your door. When a visitor presses the doorbell button, the Medallion Series Doorbell Transmitter broadcasts a signal to any Medallion Series Receiver. Wired to your existing low voltage doorbell chime, it is activated by the same current that operates the chime when someone pushes the button. Easy to install and powered by the