FeaturesFull HD video with 160-degree viewing angleCompatible with Amazon Alexa / Samsung Smarthings2-way audio communicationNight-vision & motion detection with customisable zonesQuick-release battery for easy rechargingThe Ring Video Doorbell 4 features enhanced WiFi, a quick-release battery for easy recharging, colour pre-roll video previews of all motion events, Full HD video, two-way talk, night vision and advanced motion detection with customisable motion zones.A FEW SECONDS, ALL THE DIFFERENCE.Start recording before you even receive a motion notification with Colour Pre-Roll video previews. With up to 4 extra seconds of colour video, you’ll know what happened before your package was delivered, or other motion was detected.MORE WAYS TO ANSWER.If you’re too busy to answer the door or just don\'t feel like answering, save time and use Quick Replies to respond with your choice of six preset messages. Watch your messages in real-time using Live View or play them back later with a Ring Protect subscription. It\'s like an answering machine for your front door.SIMPLE SETUP IN MINUTES.Insert the rechargeable, Quick Release Battery Pack into your Video Doorbell 4.Connect your doorbell to the Ring App and follow the steps to customise your settings.Mount and secure your Video Doorbell 4 with the provided screws and click the faceplate into place.COMPLETE CONTROL FROM THE RING APPREAL-TIME NOTIFICATIONSReceive real-time notifications on your phone or tablet whenever your doorbell is pressed or motion is detected.LIVE VIEWLive View lets you see what\'s happening, as it\'s happening, and stream it all through the Ring app in real-time HD video.CONNECTED DEVICESConnect your devices in the Ring app to protect your whole home better, together.SECURITY & PRIVACY CONTROLVisit the Control Centre in the Ring app to view, manage and control your privacy and security from one easy-to-use dashboard.Video.iframe-container {overflow: hidden;padding-top: 56.25%;position: relative;}.iframe-container iframe,.iframe-container video {border: 0;height: 100%;left: 0;position: absolute;top: 0;width: 100%;}