This fun light string of 8 musical ghosts with inner LED lights projects moving faces singing their favorite song, Ghostbusters! Each white ghost is approximately 3 inches tall x 2 inches x 2 inches. Requires 3 AA Batteries, not included. Comes with a Try Me button on the window display box. Includes Constant On mode and Sensor mode activation. The 7.87 feet lighted length on black wire blends into dark or black backgrounds. Great funny decoration with music that makes everyone start dancing!