Our Connectable Waterproof LED String Lights are perfect for your home, garden or business. Enjoy long-lasting illumination at Christmas and throughout the year with our waterproof connections - With an IP44 rating these lights and connections are perfectly at home indoors and outdoors. The lights are 3mm in Diameter for added brightness and they come with a 10m extension cable plus a Multi-Function Battery Box with an inbuilt timer for set-and-forget convenience. You can connect multiple sets of these lights together.