Features: This thermostat lock box features a dustproof cover and built in security lock, ensuring clear visibility while protecting your device from dusts, tampering, and accidental adjustments. Crafted with plastic, its compact universally design fits most small thermostat models, offering tool less installation and scratch resistant durability for long term protective. Ideal for households with children/pets, facility managers, and office administrators seeking to maintain consistent temperature control in busy environments. Perfect for maintaining clean, tamper proof thermostat displays in living rooms, classrooms, warehouses, and commercial buildings with high foot traffics. The childproof lock mechanism combines with ventilation friendly construction, providing reliabled security without compromising airflows around your climate control device. Specifications: Component:Plastic Size: Approx.16x5.5x15cm/6.3x2.16x5.9inch Use scenario: Suitable for environments such as homes and offices that require protective of thermostats. Package Includes: 2pcs Protective Cover note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.