1. This smart wireless doorbell equipped with the Graffiti operating system is an ideal choice for enhancing home security and comfort. This doorbell has a compact size, measuring 5 cm in length, 2 cm in width, and 9.5 cm in height. It can elegantly blend into any indoor environment and offers advanced features to ensure a perfect experience. 2. The doorbell comes with a built - in camera, featuring functions such as taking photos, two - way audio, cloud storage, night vision, and water resistance. These features allow you to directly view, listen to visitors in real - time through a dedicated app on your phone and communicate with them. The night vision range is approximately 5 meters, enabling continuous monitoring even under low - light conditions. 3. The Visual Doorbell provides free ringtones and clear on - site sound effects, allowing you to communicate with visitors immediately. When someone presses the doorbell, you will receive a notification on your phone and can answer the video call interface right away. The data is stored in the cloud. The sharing function allows you to add up to 10 family members so that everyone can stay informed at all times. It also has a voice - changing function to better protect your identity and privacy. This doorbell has an IP65 protection rating, which means it is dust - proof and water - proof. It is sturdy and durable, suitable for use in various weather conditions. 4. The high - capacity battery can last for 4 - 6 months continuously without frequent charging. To achieve the best performance, please ensure that the device is fully charged before the first use.