This doorbell transmitter sends a signal to a any Silent Call Legacy Series receiver to let you know when someone is ringing the doorbell. Does not send to the Shake-Up (SC-SHKUP/V). Includes 2 AAA batteries.

Silent Call Promise: 5 Year Warranty, Superior Customer Support and Next Business Day Returns

Silent Call products are manufactured in the US, where they test and inspect every product to ensure the highest level of quality. Silent Call backs their products with this promise: Direct manufacturer 5 year warranty service and warranties serviced directly through Silent Call can expect next business day returns.

What else do I need to make this work?

In order to be notified, you will need to purchase a receiver that lets you know when the signaler or transmitter is activated.