Make an elegant statement in your home. Mystic combines both outdoor temperature and barometric pressure in one beautiful, digital instrument. Provides readings in four different modes: Present, High, Low, Wind Chill temperature and Rate of Change for barometric pressure. Features user-selectable units of measurement for temperature (°­C, °F) and barometric pressure (inHg, mmHg, kPa, mb). Memory data is protected by a 10-year backup to preserve data during power outages.