Welcome to our store! 1. Suitable for most thermostats: The size of the household thermostat box is 18 x 10 x 5 cm, and most thermostats can be used. Before placing an order, please check if the size matches yours. 2. Premium Acrylic: The constant temperature lock box is made of transparent acrylic sheet, which can effectively prevent yellowing and is resistant to chemicals and ultraviolet rays. It always maintains cleanliness and aesthetics and can clearly see the temperature display. 3. Long lifespan: The transparent constant temperature lock box is made of high-quality acrylic, which will not discolor or yellow and will not cause problems such as mildew. It can be used for a long time without needing frequent replacement. 4. Widely Used: A constant temperature lock box helps to greatly control energy use, helping you control energy use in restaurants, offices, churches, schools, and industrial settings. 5. Easy Installation: No special tools are required; simply install anchors and screws on the wall thermostat to complete the installation. It can be completed independently, which is very convenient and can be completed in a short time. Item Type: Large Thermostat Guard Clear Cover Material: Acrylic Includes: 1 x Large Thermostat Guard Clear Cover 4 x Screw 4 x Expansion Tube 1 x Key 1 x Adhesive Tape Customer satisfaction is our top priority. If you encounter any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.