The ring chime pro (2nd generation) is an updated version of the ring chime pro (1st generation) wi-fi extender. In addition to a stylish new design with a built-in nightlight, the ring chime pro (2nd generation) boasts dual-band 2.4 ghz and 5 ghz wi-fi connectivity and guided feedback during setup that helps you find the best location for your chime pro. The ring chime pro (2nd generation) plugs it into a wall socket and is connected through the ring app to your wi-fi signal. what comes in the box? • ring chime pro unit • quick-start guide this product will be dispatched by one of our trusted suppliers. You’ll be contacted by their selected courier about your delivery.