Color/finish: silver Design details: Built-In Battery Battery Doorbell includes a built-in battery, which charges with a convenient USB-C charging port. To recharge, simply detach your doorbell from the wall and connect to the included charging cable. Install in a Snap ? Charge it up, click into place, and stay connected right from your phone. Connect to who's there ? See and respond to activity with Live View & Two-Way Talk. Stay in the know ? Receive real-time alerts on your phone when motion is detected. Get Smart Alerts ? Know more with notifications that tell you if there's a person or package at your door (subscription required, sold separately). See more. Know more. Protect more. - Record 24/7 on your eligible cameras, scroll back in time to rewatch what you missed, get alerts for people and package, and so much more with an compatible Ring Home subscription (sold separately). Connect with Alexa ? Hear custom notifications from Echo Dot, launch video with Echo Show, and enjoy hands-free home monitoring with select Alexa-enabled devices. Measures 6.73 in x 4.02in Materials: plastic Made in the USA