Here is a whimsical way to decorate a room with little bit of ambiance at the same time. This light curtain has special hooks to hang on skinny rod or fabric curtain. The plug is usb and has multi functiontion option by pressing blue button on usb plug. Beautifully bright and in excellent working condition. Each strand has 40 inches and can fit up to 120 inches across window. Please feel free to ask questions.