Features: 1Thermostat Protective Cover with Key: The thermostat lock box comes with 2 keys, preventing tampering, damage, and unauthorized adjustments to the thermostat settings. Keep unwanted hands off your controller, protecting your thermostat from skyrocketing utility bills. 2Fits Most Thermostats: This home thermostat box is suitable for most thermostats. This thermostat lock box is designed to fit all shapes and sizes of thermostats, with size of 18.5 x 12 x 5.6cm. 3Long Lifespan: The transparent thermostat lock box is made of plastic, superior to plastic transparent thermostat lock boxes. It does not discolor or turn yellow, maintaining clear visibility of the interior even after long term use. 4Easy Installation: The thermostat protective cover allows for installation without removing the thermostat from the wall. Simply drill holes around the existing thermostat and place it in the correct position. You can install this thermostat protective cover horizontally or vertically to suit your thermostat. 5Helps Control Energy Usage: It can assist in controlling energy usage in restaurants, offices, churches, schools, and industrial environments. Specification: Item Type:ThermostatCoverMaterial: PlasticSize: Approx. 18.5 x 12 x 5.6cm/7.3 x 4.7 x 2.2inWeight: Approx. 278.00g / 9.81oz Package List: 1 x Thermostat Cover2 x Keys1 x Tape4 x Screws4 x Expansion Screws