Universal Thermostat Guard, Inside Height 7 1/2 In, Inside Depth 2 1/8 In, Inside Width 4 11/16 In, Outside Depth 2 1/2 In, Outside Height 8 1/2 In, Outside Width 5 11/16 In, Finish Box Clear, Base and Ring Beige, Material High Impact Plastic, Not Hinged, Mount Horizontal or Vertical, Includes Box, Solid and Ring Base, Mounting Hardware, 2 Keys