Get a crisp 1080p-grade view of anyone who approaches your front door. The advanced WDR and 4:3 aspect ratio ensures you get a color accurate, head to toe image every time. The doorbell and Wi-Fi chime form a closed, low-power wireless connection allowing for 120 days of flawless front door coverage from a single charge. Every eufy Security product is engineered to ensure your security data is kept private. Have peace of mind that you will have a secure record of everything that happens around your home. Get instant alerts for anyone who approaches, even if they don't press the doorbell. Interact with visitors by talking in real-time or via pre-set responses. With AI technology and a sophisticated algorithm, the camera intelligently detects body shape and face pattern. This ensures you are only alerted when a human, and not a stray cat, is at the door. Connect your Doorbell to Alexa or the Google Assistant and check-in any time on what's happening outside your home. Speak directly to anyone who approaches your front door via two-way audio. Tell your friends to come round the back or that you have just run out to get some milk.