Ring, White, Smart Lighting Bridge, Pair With Ring Smart Lights To Get Notifications When Motion Is Detected, CustomizeSettings & Connect To Other Ring Devices, All From The Ring App, Installs Indoors & Receives Power Through The IncludedMicro-USB Power Supply & Cable, Connects Ring Smart Lighting With Ring Doorbells & Cameras To Create A Fully Connected Home Security System, Works With Alexa To Turn On Lights & Adjust Settings With Your Voice, 1 Ring Bridge Supported Per Household, Supports Approximately 50 Ring Smart Lighting Devices, Including Motion Sensors.