Honeywell Home Thermostat Guard, 5.88 x 2.5 inches Clear

Clear plastic cover with built-in lock and a set of keys.Fits Thermostats 4.375H x 4.375W inches or Smaller For use with Honeywell Home thermostats. It protects against unwanted changes to AC/Heating preferred settings Covers CT87, CT30,CT31,CT33 (Round) models without the wall plate Outside dimensions: 5-7/8 W x 5-7/8 H x 2-1/2 D (inches) Interior dimensions: 4-7/16 W x 4-7/16 H x 2-1/4 D (inches), Weight: 0.6 Pounds, Manufacturer: Honeywell Home