LIPPO Multifunctional Weather Monitors Solar Battery Dual Powered Metal Weather Stations (Forecast/Humidity/Temperature/Time Display + Alarm with Snooze Function) 12 to 24 hour weather forecast; sunny, partly cloudy, cloudy, and rainy. Wireless outdoor sensor measures environmental conditions with precision and accuracy. Monitor indoor and outdoor temperature (Fahrenheit and Celsius) and humidity (-percent RH) with daily high/low records. To provide power to weather station, just position the solar cell panel toward the lamp or near a window with sunlight. If insufficient sunlight or the surrounding not bright enough, the battery power system will active to run the weather station.