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

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.