The Ring Chime Pro Wi-Fi Extender for Smart Doorbell in White is a digital, rectangular-shaped device that provides Wi-Fi connectivity for your Ring doorbell. It can be powered by a wall plug-in or Wi-Fi itself, making it convenient for installation in your home. This portable bell/chime features a lighted design, the ability to play a melody/tune when your doorbell rings, and is suitable for residential use. Made of plastic, this wireless device by Ring ensures that you never miss a visitor at your door.