Protect Your Thermostat: Thermostat lock box with key prevents unauthorized adjustment, tampering and damage to thermostat settings; reduce energy costs and save moneyPremium Material: Thermostat cover is made of sturdy PC plastic, wear resistant, not easy to damage, and can be used for a long timeMaintain Temperature Accuracy: It adopts a four sided ventilation design to prevent interference with temperature detection, ensuring the accurate performance of the thermostat without affecting itEasy To Install: Thermostat cover with key can be installed without removing the thermostatWide Application: Air condition control panel cover is suitable for homes, apartments, offices, schools, hotels, restaurants or industrial , etc Specification: Material: PlasticProduct Size: 18.5cmx12cmx5.6cm/7.28inchx4.72inchx2.20inch Package Includes: 1 Thermostat Transparent Protective Cover 2 Keys4 Screws1 Nano Glue Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.