App controlled flexible LED light strip Twinkly Line is a self adhesive magnetic slim smart LED light strip perfect for bringing colour and endless moods to any rooms in your home. With an all black finish bright and colourful LEDs and the smallest cross section profile on the market Twinkly Line is a cool yet discrete decorative lighting device.Like all Twinkly products Line can be mapped and every single LED can be controlled individually allowing you to create and reproduce unique effects gradients and colour animations Line becomes your screen.Extend to double There is more You can use Line Extension Kit to add more length to your decoration. Its as simple as connecting it to your Line Starter Kit. Note The Extension Kit does not come with a power cable or a controller.