The West & Arrow Merkury Cascading Curtain String Lights create a warm, colourful ambiance in any room with their 96 multicolored LED lights and cascading design. The six strands can easily be attached to curtains or draped over furniture, instantly transforming a room from dull to inviting. To operate the string lights, simply insert three AA batteries into the included battery box. This allows you to control both the brightness and the color rotation of the lights. With a width of 3.5 feet and a height of 5 feet, these curtain lights are versatile and can be used for accent lighting in various spaces.