[Long service life] thermostat lock box made of high quality Material, plastic transparent thermostat lock box, Can be washed and not change color and yellow, long-term use can also keep the interior clearly visible. [Easy to Install ]It's aesthetically pleasing and easy and intuitive to install, but if anyone is unsure, check out the installation video. Just align it on your existing thermostat and install the anchors and screws. [Universal Size] You can use this for almost all thermostats and other controls. Prevent tampering and unwanted changes to your temperature. This thermostat cover can be used in restaurants, offices, churches, schools and industrial settings. Anywhere there is a thermostat! [Thermostat Guard with Key] Thermostat lock box with keys prevents tampering, damage and unauthorized adjustment of thermostat settings. Keeps your controller away from pesky fingers, protects your thermostat from high bills.