condition: new Solar String Lights Globe 38 Feet 66 Crystal Balls Waterproof LED Fairy Lights 8 Modes Outdoor Starry Lights Solar Powered String Light for Garden Yard Home Party Wedding Decoration (White-66LED) How to charge the solar panel? The solar lights are not fully charged upon arrival. Please put them under the sun for 2 days to get fully charged before first use. The solar panel is charging only when the switch is turn on. How to check the solar panel is ON? Leave the solar panel in the sun for an hour and then cover the solar panel completely. If the lights come on, the button is in the “ON” position If not, push in the button once again and put the solar panel in the sun for another hour. Cover the solar panel completely again and it should light up. Product Description 8 Lights modes String length per light: 38 ft Every String LED Qty: 66 Bulbs Battery: 1200 mAh Solar Panel: 0.2W Light Color: White Diameter of bulbs: 1 inch Working Time: More than 15 hours after fully charged Solar string lights It is charging ONLY when the switch is turn ON. 1. Make sure that the solar panel is NOT sheltered from the sun, because it needs to absorb enough energy from the sun. 2. It is ONLY designed to be protected from the rain. Please do NOT immerse it in the water. Please keep the surface of the solar panel clean, if not, this will influence the efficiency of charging. For initial application, we suggest the solar panel to be fully charged for 8hrs or longer. Please do not apply excessive force or repetitively bend the same spot Remove the plastic film covered on the solar panel Turn on the lights and set your favorite mode, place the panel in the direct sunlight for 6-8 hours, then it will automatically light up at night The panel is light-sensing, please make sure there is no light source such as the street lamp shines on the solar panel when you need the item in working status; Working time depends on sunlight. For a sunny day, the battery will be charged fully and the string light will be able to work more than 15 hours at night. If it is cloudy or rainy day, the battery is not be changed fully, the string light may work only 6-8 hours at night