See, hear and speak to visitors even when you're not home with this Ring Video Doorbell 4. 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. 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. 1.06"H x 5.05"W x 2.4D. Compatible with Android or iOS. Battery charge time: 6-8 hrs. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Doorbells". The seller is "lazy1532_3" and is located in this country: US. This item can be shipped to United States.