FeaturesView weather forecasts at a glanceMeasures indoor temperature and humidity3.3\" LCD screen with backlit colour displayAlso serves as a clock and calendarRequires 3 x AAA batteries (not included)The bulk of weather forecast at a glance with the NASA WS100 Weather Station. This compact wireless weather station not only indicates you the weather outside, but also the ambient temperature and humidity rate along with their trends. Thanks its 3.3\" LCD screen with backlit colour display, all indicators remain clear and quickly readable wherever you place it in your home. It also serves as a clock and calendar and even has an alarm clock function to help you prepare for the day.Requires 3 x AAA batteries (not included).