The Blink Video Doorbell 2025 2nd Gen +Sync Module Core System is a modern rectangular-shaped smart doorbell with a sleek black finish. It is powered by 3 batteries with a voltage of 3V and features a 150-degree head-to-toe HD view, night vision, video recording capabilities, and motion activation. Suitable for home use, this wireless doorbell is compatible with Amazon Alexa for smart home integration and has a two-year battery life. Easy to set up, this Blink product offers convenience and security with a wide range of features for modern home improvement.