Txkrhwa Universal Thermostat Lock Box with Key Clear Acrylic Thermostat Cover Guard with Lock Easy to Install for Home Office School Restaurant 4.7 x 7.3 x 2.2 Inches The thermostat lock box with key prevents your thermostat settings from tampering, damage and unauthorized adjustment. Keep your controllers away from obnoxious fingers, protect your thermostat and avoid high bills. This universal thermostat cover is made of high-quality acrylic and metal (lock head) materials, extremely strong, which can effectively prevent yellowing, always keep clean and beautiful, and keep a clear view inside even after long-term use. Open thermostat guard allows installation without removing the thermostat from the wall, just line up over your existing thermostat and install and done. There are 2 installation methods of punching (Mounting screws accessories are included.) and non-punching nano glue (Not Included). If you don't want to damage your walls, you can use nano glue for bonding (no residue), so your walls will always look like new. You can use this for almost all thermostats and other controls. This thermostat cover can be used in restaurants, offices, churches, schools and industrial settings. Anywhere there is a thermostat. If you are not satisfied with our product, any problems with the item, you can contact us at any time, we will answer you as soon as possible, and give you a satisfactory shopping experience.