Landlords, parents, business owners - this thermostat lock box is exactly what you need to prevent unauthorized temperature changes! The clear PC plastic lets you see the thermostat display perfectly while keeping curious fingers away from the settings. Each box measures to fit thermostats up to 7.28\W x 5.75\H x 2.75\D, which covers most standard home thermostats. The four-sided ventilation design is smart because it doesn't interfere with the thermostat's temperature detection - no more inaccurate readings because it's trapped in a box. Installation is a breeze - you don't even need to remove your existing thermostat from the wall. Just position the box over it and secure with the included screws. The package comes with FOUR complete sets (lock boxes, keys, and locks), so you can secure multiple locations or have spares. The durable PC material is chemically resistant and won't yellow over time, even with sun exposure. Perfect for rental properties, offices, schools, hotels - anywhere you need to control energy costs or maintain specific temperatures. The keyed locks provide solid security while still allowing authorized access when needed. Seriously, if you're tired of people messing with your thermostat settings, this lock box solution actually works!