The Smart Solar 10 Cool Flame Solar String Lights are solar lights that emit a realistic flaming effect when it is dark outside. The solar panel is at the end of the cable and should be placed in direct sunlight. These lights are ideal for hanging from shrubs, trellis, parasols and doorways. There is a minimum operating time of 6+ hours when fully charged. This light automatically illuminates at night and has 6 warm white LEDs per light.