These multi coloured Solar Fairy Lights are great for decorating the outdoors. They are powered by a solar panel which can positioned used the garden stake provided. The panel will soak up the suns rays during the day and automatically radiate a colourful glow as the evening approaches. The daylight sensor, will automatically switch the lights on at dusk and then go back to charging again during the day. Choose from 100,200 or 500 LEDs depending on the area you wish to illuminate. There is also a built in memory controller allowing you to choose from multiple effects.