Keep your thermostat safe and secure with this large universal thermostat lock box. It features a combination lock to ensure only you have access to your heating and cooling system. The box is designed to be wall-mounted or surface-mounted, making it easy to install and use. With a clear color and no voltage, this thermostat lock box is perfect for any home or office. It measures 12.95x9.17x2.83 inches and weighs only 0.75 pounds. The programmability is non-programmable, making it easy to use and maintain. Get peace of mind knowing your thermostat is protected with this durable and reliable lock box.