15m Solar Festoon String Lights with 15 LED BulbsThis weather proof IP65 rated 15 meter solar power festoon string light is perfect for indoor and outdoor parties and celebrations that require a cosy atmospherein any weather. The bulbs operate on solar power, charging using sunlight (no electricity required while charging), and turn on automatically once it gets dark. On a full charge, the solar power festoon string has 6 8 hours of illumination (and 3 4 hours in the following day if the weather is