1. The primary function of a doorbell is to alert occupants inside a house or building that someone is at the door, avoiding the need for loud knocking.
2. It serves as a polite and effective communication tool between visitors and residents, ensuring the latter are aware of a guest's arrival without disturbance.
3. In some cases, it also adds a basic security layer by signaling unexpected presence at the entrance, helping residents stay informed about outside activity.
What's in the box
1x Video doorbell
