With 3MP/2K live monitoring, ultra wide-view lens with 30° pan features, Doorbell 2S ensures every corner in front of door completely covered. With 5000mAh rechargeable battery, Doorbell 2S 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 2S supports to talk with variable voice and customizable quick voice reply to protect your privacy. Indoor Chime DS2S works as a Wi-Fi extender and a local storage, providing stable network for the doorbell and upgraded protection for the recorded footage.