Tired of people messing with your thermostat settings? This clear acrylic lock box solves that problem completely! The heavy-duty construction fits most standard thermostats with its 18.5x12x5.6cm dimensions, and the crystal-clear material lets you see the display and buttons perfectly while keeping unauthorized hands away. Installation is super simple - you don't even need to remove your existing thermostat from the wall. Just position the box around it, mark your screw holes, and secure it in place. You get two keys with the package, so you can keep one handy and store a spare. Perfect for landlords, businesses, schools, or anyone who needs to prevent tampering with temperature settings. The acrylic won't yellow over time, and the sturdy design stands up to casual attempts to remove it. Save on energy bills and maintain consistent temperatures without worrying about someone constantly adjusting your carefully set climate controls!