The bulk of the weather forecast at a glance with the NASA WS100! This compact wireless weather station not only shows you the outdoor weather but also displays the ambient temperature and humidity along with their trends. Thanks to its 3.3-inch LCD screen with a backlit color display, all readings remain clear and easy to read, no matter where you place it in your home. It also functions as a clock and calendar and even has an alarm feature to help you prepare for the day. Requires 3 x AAA batteries (not included).