This handy dandy Solar Window Weather Station not only displays the indoor and outdoor temperature and humidity, it also recharges with sunlight so you'll never have to worry about changing the batteries! This green solar powered weather monitor provides the temperature reading in both Fahrenheit and Celsius and displays weather icons with a clear, easy-to-read digital screen. Simply attach the swivel suction cup to any well-lit indoor or outdoor window, and always know what temperature to expect before heading out the door. Weather-durable, plastic construction.