Square Cover. Plaster Ring, Mud Ring | 4 11/16 in Square, 2 in Raised Single Device Tile Cover | Flexible and Easy to Use Device That Allows the User to Control Lutron Wireless Load-Control Devices From Anywhere in the Space. Battery-Operated Control Requires No External Power or Communication Wiring. Provides Control for Caseta Wireless Controls, Ene | Provides Box-to-Box Connection of Knockouts; Allows Misaligned Knockout Connection by Rolling the Offset Nipple Until Aligned With Each Knockout; Hub-to-Hub Offset Is 3/4 InFurbay Electric Supp