Thermostat lock box is made of strong and chemical-resistant acrylic plastic. This locking thermostat cover offers excellent durability, UV resistance, and anti-yellowing properties. Clearly view thermostat settings at all times. Thermostat lock box with key prevents unauthorized adjustment, tampering, and damage to thermostat settings by children, tenants, or the public. Helps reduce energy costs and provides savings. Thermostat lock box is designed to accommodate thermostats that measure 7.28 inches W x 5.75 inches H x 2.75 inches D or smaller. Suitable for use in homes, apartments, offices, schools, hotels, restaurants, and industrial spaces. Ensures optimal protection and security. This wall-mounted thermostat lock box features a four-sided venting design to prevent interference with temperature detection, ensuring accurate performance of the thermostat without being affected. Thermostat lock cover can be installed without removing the thermostat; it may be necessary to install the thermostat in an off-center position within the lock box to access the battery cover on some models. Color: White Material: Acrylic Package Contents: 1 x Thermostat Lock Box (Due to different batches, the styles and colors of screws and expansion tubes may vary and are not guaranteed.) Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement error allowed is +/- 1-3 cm.