A:Answer Hello Larry,
The Ring Bridge is the central hub that integrates Ring smart lights, motion sensors, and transformers into your Ring system.
The newest Amazon Echo (4th gen) and the Amazon Echo Show 10 (3rd gen) have the Bridge built into them, eliminating the need to purchase an additional Bridge device to use Ring Smart Lighting. At this time the only Ring A19 and PAR38 Smart Light Bulbs are supported.
Antonio from Ring