12 Light strings hang freely down your tree from a central hook that goes over the top of your tree. Manufacturer guarantee: Statutory. Mains-powered. For Indoor & outdoor use. Weather-resistant. Features and benefits. ECO friendly LED lights. Micro Wire Tree Lights. Warm White. Indoor or outdoor. Includes Loop to hang from the top of the tree. 8m lead cable. 408 LEDs. 1.8m (6ft) Light Strings. Green Wire.