FeaturesFull HD videoWorks with Amazon Alexa / Google AssistantHuman detection & 2-way audio120-day battery lifeIncludes wireless chimeProtects You, Your Family, and Your PrivacyEvery 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. See Who’s There Before the RingGet instant alerts for anyone who approaches, even if they don’t press the Eufy Battery-Powered Slim Full HD Video Doorbell with Wireless Chime. Interact with visitors by talking in real-time or via pre-set responses.Accurate Human DetectionWith AI technology and our sophisticated algorithm, the camera intelligently detects body shape and face patterns. This ensures you are only alerted when a human, and not a stray cat, is at the door. “Alexa, show me my front door” Connect your Doorbell to Alexa or the Google Assistant and check in any time on what\'s happening outside your home. Chat to Visitors in Real-TimeSpeak 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. Interaction Made EasyRecord and set up to 3 instant responses. When you are notified of activity, simply select one of your pre-recorded responses for a simple way to interact and give instructions. What’s included: Video Doorbell 1080p (Battery-Powered), Screw Hole Positioning-Card, Mounting Bracket, 15° Wedge, Screw Pack, Doorbell Detaching Pin, Wi-Fi Doorbell Chime, Power Pin for the Wi-Fi Doorbell Chime, Quick Start Guide.Notes:*Battery life varies according to doorbell usage. The 120-day battery life is a lab-tested result with 30 events per day, 10 seconds each.