Thermostat Lock Box with Combination Lock Key benefits Prevents unauthorized adjustments: A combination lock secures the thermostat against tampering and unwanted temperature changes, helping maintain set schedules and avoid energy waste. Visible control without access: The clear acrylic cover lets you read the thermostat display and check settings without opening the box. Durable, long-lasting finish: Acrylic construction resists discoloration and yellowing, preserving clarity and appearance over time. Quick, flexible installation: Mount and lock the box in minutes using the included 4 extension screws. For added security you can also use glue or extra screws. What it does Combination security: Built-in combination lock provides up to 10,000 possible combinations to deter unauthorized access while eliminating the need for keys. Clear viewing: Transparent acrylic lets you monitor temperature and status at a glance without removing the cover. Durable material: Acrylic resists yellowing and maintains clarity for ongoing visibility and protection. Installation and options Includes: 4 extension screws for immediate mounting. Fast setup: Install and secure the lock box in minutes. Additional security: Optionally use adhesive or additional screws to increase mounting strength when needed. Practical use scenarios Homes with children: Prevent accidental changes to temperature settings while still being able to see the thermostat display. Rental properties and shared housing: Landlords and property managers can protect preset temperatures and avoid unauthorized adjustments by tenants or guests. Offices and public spaces: Maintain consistent HVAC settings in work areas, classrooms, or common areas where multiple people have access. Specifications (from product features) Lock type: Combination lock with up to 10,000 combinations Material: Clear acrylic, resistant to discoloration and yellowing Hardware: Includes 4 extension screws; glue or additional screws may be used for extra security This lock box delivers straightforward protection for thermostats with easy installation, visible controls through a clear acrylic cover, and strong combination-based security.