Ring  Video Doorbell 4 is our upgraded doorbell camera with improved video previews that works on any home. Video Doorbell 4 features improved battery life and performance, enhanced dual-band wifi, 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 triggered an alert – you’ll never miss a moment at your front door. 

Features

• With 1080p HD video and Two-Way Talk, see, hear, and speak to people from your phone, tablet, or select Alexa-enabled device.
  
• Get a 4-second, color preview video to show you what happened before motion was triggered with Pre-Roll.
  
• Customize your motion zone settings to focus on areas you need to protect.
  
• 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.
  
• Get a more reliable connection and fewer interruptions with dual-band (2.4GHz or 5GHz) wifi connectivity.
  
• Save and share video and photos with an optional Ring Protect Plan (subscription sold separately).
  
• Powered by a removable, rechargeable battery pack or connects to existing doorbell wires for constant power.
  
• Monitor what matters most with infrared technology—even when it’s dark.
  
• Hear Alexa announcements when anyone presses the doorbell or triggers the motion sensors