Features 1. Thermostat Guard with key: Thermostat covers with 2 keys prevent tampering, damage, and unauthorized adjustment of thermostat settings. Keep your controllers away from unwanted access, protect your thermostat, and avoid unexpected energy bills. 2. Fits Most Thermostats: Compatible with most thermostats on the market. Suitable for use in homes, offices, churches, schools, and industrial environments. 3. Clear thermostat lock box is made of high-quality plastic that resists discoloration and yellowing over time, maintaining clear visibility of the thermostat display after long-term use. 4. Punch or no-punch installation: Offers two installation options—screws or nano adhesive tape. If you prefer not to drill holes, use the strong nano adhesive (leaves no residue) to keep walls intact and looking new. Specification Material: Plastic Color: Blue Size: 18.7 x 11.4 x 5.5 cm Weight: 310 g Package Include: 1x Thermostat Lock Box with Key