Universal thermostat guard, inside height 6-1/16 inches, inside depth 2-5/8 inches, inside width 5-1/16 inch, outside depth 3 inches, outside height 7-1/4 inches, outside width 6-1/4 inches. Finish box, base and ring, off white. Material high impact plastic, not hinged. Mount horizontal or vertical. Includes box, solid and ring base. Mounting hardware, 2 keys.