Keep your home comfortable with the Honeywell CG512A Large Thermostat Guard. This rectangular shaped thermostat is compatible with Honeywell brand and features a clear plastic design with two keys for added security. It is perfect for any home improvement project and can be easily installed with corded electric power source. The Honeywell CG512A Large Thermostat Guard is designed for universal and Ring smart home compatibility. It has one heat stage and one cool stage, making it efficient and effective in any home. The thermostat is made of high-quality plastic material and is available in white color. With its auto system switching, it is easy to use and convenient for any homeowner.