1. Wall Protection: This open thermostat guard prevents unauthorized access to your thermostat and protects your walls from damage. You can choose between two mounting methods: hole or nohole. 2. Easy Installation: With a combination lock, this lock box can be easily installed using the included extension screws or additional screws for extra security. Setup takes just minutes, providing quick protection for your thermostat. 3. Clear and Durable: Our keyed thermostat lock box is made of acrylic material, which is clearer and more durable than other alternatives. You can clearly see the display without opening the box. It also prevents discoloration and yellowing, ensuring longlasting strength. 4. Compatible with Most Thermostats: This keyed thermostat lock box offers up to 10,000 combination possibilities. Its combination lock design fits most thermostats on the market. You can protect your thermostat from tampering and no longer worry about children changing the settings.