The Ring Chime 1st Generation Wi-Fi Ring Doorbell Outlet Plug in White is a rectangular-shaped doorbell receiver made of white plastic. This wireless door chime from Ring is designed for home use and features a glossy finish. It includes a doorbell receiver and operates at 240 volts of power. With a compact size of 2.7 inches in width and 0.5 pounds in weight, this portable bell/chime is perfect for personalizing your home with a custom style.