OPENED BUT NEVER USED The Nest Thermostat E HF001235-GB is a smart home device that allows you to control your heating with ease. It has a programmable schedule for up to 1 week, making it efficient and convenient to use. The thermostat is powered by corded electricity and features a backlit display for easy reading. It can be controlled using the Nest app and is compatible with Wi-Fi for seamless integration into your smart home system. Perfect for those looking to upgrade their heating management system with a modern and user-friendly solution.