Indoor Copper Wire Lights- Warm White- Christmas Lights (50) Battery operated- No need for inconvenient trailing wires with these battery operated indoor fairy lights. Perfect for the festive season or just to add some twinkle to your home. (2 x AA batteries not included). Warm white colour- The lights, with droplet design bulbs, come in warm white colour. Just perfect for the winter season and creating a magical winter wonderland. Make your space cosy and festive. - Suitable for indoor use only- Measuring at 30cm, with 5cm spacing, these string lights are great for adding to your festive collection.