ACU-RITE 00526W is a thermometer that collects outside weather data and sends it to the display unit. It has a wireless outdoor sensor that measures outdoor temperature and a display unit that measures indoor temperature and displays the data. The display unit also features a character that displays appropriate clothing suggestions based on the current outdoor temperature reading. The thermometer can be used to monitor the temperature both inside and outside your home, and it can help you to decide what to wear based on the weather.