Great Material:This thermostat lock box is made of quality acrylic material, not easy to break, has a long service lifeUnique Design: The thermostat cover has vents designed to avoid interference with temperature detection and ensure that the accurate performance of the thermostatFunction: The thermostat guard on the wall has a sturdy structure and with 2 keys to avoid children or strangers from adjusting the thermostat settingsApplication: This thermostat lock box is suitable for thermostat with a size of 12 cm x 14.2 cm x 4.5 cm/4.72 inch x 5.59 inch x 1.77 inch or smaller. suitable for home, apartment, school, office, restaurant, hotel, etcProduct Size: The protective cover size is 15 cm x 15 cm/5.91 inch x 5.91 inch Specification: Material: Acrylic Size Chart: 15 cm x 15 cm x 12 cm/5.91 inch x 5.91 inch x 4.72 inch Package Includes: 1xThermostat Lock Box Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.