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.

Features:

• Works with Alexa: You can hear audio announcements when anyone presses the doorbell or triggers the motion sensors.
• Ring app: Receive alerts, accept live video feed, and talk to your visitor from your smartphone.
• Pre-Roll function: 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.
• Advanced motion detection: Customize your motion zone settings to focus on the areas you need to protect.
• Wired/battery-operated: Powered by a removable, rechargeable battery pack or connects to existing doorbell wires for constant power.
• Versatile smartphone compatibility: Supports select Apple iOS and Android devices.
• HD video and two-way talk: With 1080p HD video and two-way talk, see, hear, and speak to people from your phone, tablet, or select Alexa enabled devices.
• Easy mounting: Replace your existing doorbell with the included installation tools and screws.
• Wi-Fi connectivity: 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.
• Ring Protect Plan (subscription sold separately).

Includes:

• Ring Smart Wi-Fi Video Doorbell - Wired/Battery Operated
• Rechargeable quick-release battery pack
• Satin nickel faceplate
• Corner kit
• USB charging cable
• Mounting bracket
• Installation tools and screws
• Security sticker
• Owner's manual