The convenience and accuracy of our mechanical wall thermometer and hygrometer ensures a comfortable indoor environment for your family Perfect for living rooms, bedrooms, offices, greenhouses, and many other indoor spaces where you need to monitor temperature and humidity Our mechanical wall thermometer and hygrometer accurately measures indoor temperature and humidity without electricity Our wall hanging design is space-saving and easy to use. The display screen provides clear readings for easy monitoring Suitable for home users, offices, schools and laboratories who need to monitor indoor temperature and humidity, Manufacturer: Rxgiasup