3 CT SYMPHONY OF LIGHTS COLOR CHANGING PROJECTIONSYSTEM,SPACING BETWEEN PROJECTORS: 6 FT,OPTIMAL DISTANCE FROM PROJECTION SURFACE: 5 FT - 6FT,SPOTLIGHT SIZE (DIAMETER): 70"-80"TOTAL LIGHTED LENGTH: APPROX. 17.5 FT-20 FT,LED: 1W, 0.144A,UL TRANSFORMER (6W, 5V, 1.2A),INDOOR/ OUTDOOR USE