With 4MP live monitoring, fisheye View 180°H & 180°V Panoramic View features, Doorbell 3 Kit ensures every corner in front of door completely covered. With 5000mAh rechargeable battery, Doorbell 3 is 100% wire-free, waterproof and easy to install. PIR, AI human detection and loitering detection quickly find targets and immediately sends a notification to you.Doorbell 3 supports to talk with variable voice and customizable quick voice reply to protect your privacy.It support AI package detection,and could work with Rex VT indoor PT camera for real-time interaction.Indoor Chime works as a Wi-Fi extender and a local storage, providing stable network for the doorbell and upgraded protection for the recorded footage.