Answer: Yes, the device features a built-in microphone and speaker, allowing you to see, hear, and speak to anyone at your front door in real-time through your mobile application from anywhere.

Answer: It is not required. The package usually includes a plug-in chime that you can simply plug into any standard electrical outlet in your house to hear the ring clearly.

Answer: There are different options available. You can choose a version that connects via a network cable for both power and data, or a wireless version that uses your existing doorbell wiring for power.