The Cool Flame Solar String Light from Smart Solar features 10 individual rattan style lanterns & features cool flame technology which remains cool to the touch while providing you with a natural simulated dancing flame light. These solar festoon lights create the perfect ambient light display to transform your garden when placed in bushes, trees, parasols or gazebos & are the ideal way to brighten up any garden party, barbecue or wedding. This solar string light features 10 individual flame lanterns (measuring 80mm x 60mm) spaced 30cm apart, giving a total lit length of 2.7m. A 2m wire from the lights to the solar panel mean it is easy to place the solar panel where it will receive maximum exposure to sunlight using the supplied ground spike. These solar powered lights are designed to last against the elements while bringing a designer look to your surroundings, thus making them ideal to be used in any outdoor area where no power supply is available.LED outdoor string lights are designed to charge a rechargeable battery during the day via the solar panel & automatically light up at night using the stored solar energy, making them environmentally friendly. The duration of the light output is determined by the amount of exposure the solar panel receives during the day & how bright a day it has been. The typical duration of light output times is Spring 2-5 hours, Summer Up to 6 hours, Autumn 2-5 hours, & Winter 0-2 hours. These high-quality solar powered LED festoon lights come with batteries pre-installed & are ready to be used straight from the box. Replacement Smart Solar 1.2V AA Ni-MH 600m Ah battery can be purchased separately. Solar garden lights are a cost-effective lighting solution but are also environmentally friendly, easy to install & require absolutely no wires or maintenance. To maintain the optimum performance we recommend regular cleaning of the solar panel on these LED garden lights.