Battery powered video doorbell • Runs on rechargeable Quick Release Battery Pack • Dual-Band 2.4 GHz & 5GHz connectivity • Quick Replies let you answer the door with preset responses, or save time and ask visitors to leave a message with just a few taps • Includes customizable privacy zone and audio privacy features • Advanced motion settings with mobile notifications • Improved motion detection, 1080p HD Video and two-way talk • Works with compatible Alexa devices to hear announcements when doorbell is pressed or motion is triggered • Ring Alarm and all Ring Alarm accessories require a subscription for digital notifications, in-app features, digital arming/disarming, and integration with other Ring, Echo, and third party products. Subscription sold separately. Terms and conditions apply.