The Acu-Rite Wireless Weather Forecaster uses a patented 14-day learning mode technology. This weather station achieves the highest degree of forecasting accuracy possible from a home-based weather station. The all-in-one indoor unit features a large easy-to-ready LCD display with oversized digits and weather forecast icons. The easy-mount wireless sensor uses a powerful radio signal that is capable penetrating walls and delivering up to 160-foot range with a signal indicator. Display shows indoor and outdoor temperature, date and time, future weather forecast, barometric pressure trends, and even phases of the moon. This unit is also equipped with Intellitime software, which sets itself as soon as you select your time zone.