eufy C31 Smart WiFi 2K Wired and Battery Video Doorbell

The C31 Smart WiFi 2K Wired and Battery Video Doorbell is equipped with a 2K ultra-clear camera so picture details are clearer. The doorbell supports a real-time Video Call function, which allows efficient remote communication with visitors and features on-device human detection for smarter alerts. It adopts a battery and hard-wired dual-mode power supply to cover all installation scenarios. The battery mode is equipped with a 6500mAh detachable battery that supports USB-C fast charging and is easy to replace. When hard-wired, it supports 24/7 all-weather recording and 4-second pre-recording for more complete records. For both privacy and cost, there is no monthly fee for its local SD card storage. This doorbell is compatible with HomeBase 3, HomeBase2, Alexa, and Google Assistant.