Specifications:

• THERMOSTAT GUARD BOX: The transparent thermostat lock box is made of high-quality acrylic material, not easy to be deformed and broken, corrosion-resistant, UV-resistant, won't turn yellow even after a long time of use, keeping the inside clearly visible.
• UNIQUE DESIGN: The thermostat covers for wall with lock is ventilated on all sides to avoid interfering with the detection of the current temperature in the room and keep the room temperature stable. Unlike other thermostat lock box, SUTINE Thermostat cover with lock with rounded corners is designed to prevent bumps and scratches.
• EASY INSTALLATION: No need to remove your existing thermostat, simply place this open thermostat cover over the thermostat and secure it with the 4 included extension screws. Supports horizontal or vertical installation. It can also be installed using the complimentary no-nail adhesive.
• FITS FOR MOST SMART THERMOSTAT: The AC lock box cover with key is compatible with a wide range of thermostat sizes and shapes on the market and fits thermostats 5.9 x 4 x 2.15 inch or smaller. Prevents children, guests, and other unauthorized people from adjusting thermostat settings.

Thermostat Lock Box with Key, Universal Acrylic Thermostat Cover with Lock, Large Thermostat Lock Box Clear Lock Box Thermostat Guards for Wall Thermostats, Restaurants, Wall AC Panel, School,18 x 12 x 6 cm