AcuRite Wireless Weather Station Forecaster uses patented Self-Calibrating Technology to deliver a personalized forecast for the next 12 to 24 hours. This innovative technology gathers weather data from a sensor placed in your yard, ensuring the most accurate forecast tailored to your exact location. The device features 20 different icons that provide clothing recommendations based on the forecast, making it easy to dress appropriately for the day. Its bold, easy-to-read LCD screen displays the weather trend, current indoor and outdoor temperatures in Fahrenheit or Celsius, indoor humidity, time, and date. Designed for convenience, the weather station can stand upright on a tabletop or be wall-mounted. The outdoor sensor is equipped with powerful wireless technology, a weather-resistant design, and an integrated hanger for simple mounting. It measures outdoor temperatures from -40°F to 158°F and indoor temperatures from 32°F to 122°F, with a humidity range of 1% to 99%. The main unit measures 3.5 inches wide by 5 inches high, while the sensor measures 1.5 inches wide by 5 inches high by 1 inch deep. Model Number: