Ring Video Doorbell 4 - improved 4-second color video previews plus easy installation, and enhanced wifi - 2021 release. Video Doorbell 4 is the upgraded doorbell camera with improved video previews that works on any home. Video Doorbell 4 features improved battery life and performance, enhanced dual-band Wi-Fi, a quick-release battery for easy recharging, and Quick Replies. And with improved Pre-Roll - a 4-second color video preview of motion events before they trigger an alert - you'll never miss a moment at your front door. You can hear audio announcements when anyone presses the doorbell or triggers the motion sensors.Receive alerts, accept live video feed, and talk to your visitor from your smartphone. Features a 4-second color video preview of motion events before they trigger an alert.
Night vision with sharp contrast. Lets you monitor what matters most - day or night. Customize your motion zone settings to focus on the areas you need to protect. Powered by a removable, rechargeable battery pack or connects to existing doorbell wires for constant power. Supports select Apple iOS and Android devices.HD video and two-way talk. Replace your existing doorbell with the included installation tools and screws. Use your home network to easily synchronize your doorbell with your smartphone or tablet. 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.