1. Smart Vibration Detection The doorbell sensor uses a smart vibration system to reliably detect visitors, helping you avoid missed alerts in busy households or quiet environments. 2. Welcome Sounds There are a selection of welcome sounds, including dog barks and cheerful tunes, for greetings to reflect your lifestyle and mood. 3. Automatic Entrance Lighting The builtin lighting automatically illuminates doorways, improving safety and visibility during nighttime or low light conditions. 4. Easy Color Coding The receiver provides colorcoded notifications, allowing you to quickly identify which entrance is being used, ideal for homes with multiple doors. Use scenarios Scenario 1: Home with front and back doors. Color coding helps you instantly know which door was used, enabling faster responses or deliveries. Scenario 2: Busy household with pets and background noise. The vibrationbased alert reduces missed visits even when ambient noise is . Scenario 3: Night arrivals. Automatic lighting guides you to the door and enhances safety when entering in the dark.