These fairy lights are solar powered which means there is no electricity or batteries required. Once the solar panel detects darkness the lights will switch on automatically and glow for a ± 8-12 hours. These lights are made of durable and waterproof material to withstand all types of weather conditions like heat; cold; wind; rain and humidity. There are 8 different modes to set the lights to create the desired ambiance. Suitable for indoor and outdoor use. Perfect for restaurants; patios; balconies; wedding; garden; terraces and various types of functions. The solar panel must be placed in an area that receives constant sunlight through the course of the day to ensure that the built in battery pack fully charges and get the best output of the lights. Note: 1. This product is only 1 solar fairy light string set, without any other decorative items; 2. Due to different lighting and screen settings, the color of the item may differ slightly from the picture. 3. Due to manual measurement, please allow slight difference in dimension. What's in the box? 1 x Solar panel 1 x Stand 1 x Light string