A:Answer Hello RingUser,
Thank you for reaching out to us with your question. Yes, the Ring - PAR38 can be used in an existing light fixture. The PAR38 LED Bulb Requires Ring Bridge, Echo Show 10 (3rd Gen), or Echo Show (4th Gen) for smart controls. For installation and setup of the Ring Smart LED Bulb, please see our help center article: https://support.ring.com/hc/en-us/articles/360041685671-Setting-Up-Your-Smart-Light-Bulb-in-the-Ring-App.
If you still have concerns regarding this, we would love to hear from you directly on our Ring Community forum. This is a platform intended for Ring users, just like yourself, to create open discussions regarding their Ring experiences, provide suggestions or feedback, and more: https://community.ring.com/.
Thank you, Jamila, with Ring.