FeaturesView weather forecasts at a glanceMeasures indoor/outdoor temperature - external sensor included4.3\" LCD screen with backlit colour displayAlso serves as a clock and calendar Mains power / 3 x AAA batteries (not included)The bulk of weather forecast at a glance with the NASA WS300 Weather Station. Thanks to its external sensor, this compact wireless weather station not only indicates you the weather outside, but also the indoor and outdoor temperatures along with the outdoor humidity rate. Its 4.3\" LCD screen with backlit colour display allows clear and quickly reading of all indicators wherever the weather station is placed 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.Operates on main power (USB cable provided) or with 3 x AAA batteries (not included).>/p>