The add-on doorbell chime is wireless and it needs to connect to the doorbell via the eufy app. One wired doorbell supports up to 4 chimes. Here are the steps to set up a second chime for the eufy wired doorbell in the eufy app.

1. Open the eufy app.

2. Go to the Doorbell Settings and find Indoor Chime Option.

3. Assemble your chime and plug the chime into any standard power outlet. See How to Assemble eufy Chime.

4. Press and hold the chime’s Sync button on its top for 2 seconds. You will see its light flash blue and hear a “ding” sound, indicating it is ready to pair to the doorbell.

5. Tap the Connect button in the app.

6. Wait for the chime’s light to turn to solid blue and sound ringing again, that means they have connected and are able to function together. Try to tap on the doorbell and check whether the chime will ring or not.

7. Tap Done to finish the setup process.

If setup fails, you can check Troubleshoot eufy Doorbell Chime Issues.