[Premium Quality Material] The thermostat protective cover provides you with a fantastic user experience, made from amazing ABS material, very durable, strong, wear-resistant, and long-lasting. [Thermostat Cover with Key] The thermostat cover with 4 keys prevents tampering, damage, and unauthorized adjustment of thermostat settings. Keep your controls away from annoying people, protect your thermostat, and avoid high bills. [Fits Most Thermostats] The outer size of the thermostat cover with lock is 7.3x4.7x2.2 inches, and the inner size is 7x4.5x2 inches, suitable for most thermostats on the market. It can be used in homes, offices, churches, schools, and industrial environments, etc. [Long Lifespan] The transparent thermostat lock box is a transparent thermostat lock box made of plastic, it will not change color and yellow, and it can maintain the clear visibility of the inside even after long-term use. [Easy to Install] Locking the thermostat cover prevents you from encountering unnecessary challenges, requiring only the minimal requirements for installation, allowing you to use 2 installation methods of drilling and gluing. Color: Transparent Material: ABS Size: 18.5x12x5.6cm Package Contents: 2 * Thermostat Lock Box 4 * Keys (Color is random, no designation is accepted) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real one. The allowed measurement error is +/- 1-3 cm.