Solar LED Mobile Wind Chimes Utilizes solar energy to light up automatically at night For best results, charge in direct sunlight for at least 8 hours Lasts up to 6 hours. Solar mobile wind chimes Decorate the garden Glows with color changing lights. color Bulb type: LED Solar battery is included If mobile does not turn on at night, it may be caused by one of the following issues: The switch is in the off position The solar panel did not receive at least 8 hours of sunlight The solar light is located too close to other light sources Dimensions: 5L x 5W x 25H in.