Know if a person is at your door. The Nest Doorbell can tell the difference between people, animals, packages, and vehicles and alert you when someone's there. Everything works together - Stream live video hands-free with Google Assistant and Amazon Alexa, and see and speak with visitors at your door on compatible Google Nest and Amazon smart displays. You can also use compatible Google Nest and Amazon Alexa smart speakers and displays as your doorbell chime., HDR helps with bright, high-contrast lighting all day and night, and night vision gives you a clear image, even in low light and darkness, Check in anytime! Know what's happening at your door 24/7: Check your doorbell camera from anywhere and get alerts about important activity, like a visitor or delivery, Go back in time: See what you missed with 3 hours of free event video history, Designed for any door: The Nest Doorbell is wireless and battery-powered, which means it works with any door, whether you live in a house or an apartment, Install it yourself: Because it's a wireless doorbell, installation is painless, If you prefer wired installation, you can connect it to your existing doorbell wires with the included wire connector, Talk to who's there, from anywhere: Talk and listen to visitors at your door, even if you're away, Just use the Google Home app to say you'll be right there, or ask a delivery person to leave your package, Some features, including mobile notifications, remote control, video streaming, and video recording, require working internet and Wi-F, 960 x 1280 Resolution at 30 fps, Up to 10' of Night Vision, 145° Diagonal Field of View. WHAT'S INCLUDED: Nest Doorbell Battery, Base plate, Release tool, Two wall anchors, Two wall screws, Wire connector, 20° wedge, Two spacers, Two wedge screws, Charge cable (3 feet). DETAILS: 6.30"H x 1.80"W x 0.90"D, Weight: 0.45 lbs., Rechargeable lithium ion battery, Google Home for Android, iOS and Amazon Alexa, Wireless: Wi-Fi 4 (802.11n); Dual-Band (2.4 & 5 GHz), Manufacturer's 1-year limited warranty. For warranty information please click here - https://cs.kohls.com/app/answers/detail/a_id/140, Model no. GA01318-US. Size: One Size. Color: Ash. Gender: unisex. Age Group: adult. Material: NONE.