Effortless Control with Signify Interact Ceiling-Mounted Sensors. Upgrade your smart lighting system with ease. Signify Interact ceiling-mounted wireless sensors deliver complete coverage exactly where you need it. Manage an entire group of connected luminaires and devices with a single sensor—or combine multiple sensors for ultimate flexibility. With the Interact app, zoning and re-zoning is simple and wire-free, giving you full control without limitations. The result? Exceptional energy savings and unmatched adaptability for any space.