Features: This open thermostat guard not only protects your thermostat from unwanted changes but also your wall from scratches and mark. Make from ABS materials, strong and Enduring, which will not change color or turn yellow. Clear designs, You can see the display without needing to open box. This lock box with key guards the thermostat from unauthorized access or damage. It adapt to various place where thermostats are essential, such as houses, factories, schools, hotel, restaurants. Specifications: Material: Plastic Box size: about 14.5x21cm/5.71x8.27inch Package Includes: 1set Thermostat Lock Box note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.