The DB 10 can Operates up to 5 months on a single charge and it is
Wire-free (Wireless) installation and Wi-Fi connection
It’s Up to 1080P High Definition (HD) video talk with 140° horizontal angle
IR powered night vision
PIR detection with 5 configurable zones
It supports Cloud talk and cloud storage
DAHUA WiFi Doorbell with PIR Detect HD 1080P HD Video 2-Way Talk Built-in Speaker SD Card Slot Cloud Service