Ring smart lighting spot light battery powered, shine 400 lumens of brightness on important areas at home, connect it to the ring bridge, not included. To unlock smart controls & custom combinations in the ring app, connects to ring doorbell & cameras. 1 ring bridge enabled device detects motion, it can turn on lights, activate cameras & more. Use the ring bridge to link your ring smart lights to select alexa enabled devices to turn on lights & adjust settings at the sound of your voice.