Universal for use with new or existing thermostats
Made of Industrial Grade Stainless Steel
Inside Dimensions: 5-1/4" wide x 4-5/8" high x 2-1/2" deep
Outside Dimensions: 5-3/16" wide x 5-3/16" high x 2-5/8" deep
Includes: Enclosure, Base, Installation Hardware, 2 Keys