Powered by solar energy, this bottle stopper is designed with a solar panel on the top of it, which can be used 6-8 hours after charging 5-6 hours under sunlight, and the LED bulb could serve you for long-term use without producing so much heat.The copper wire is flexible and bendable, long enough to decorate different places you like, you can place it into the bottle or for twist it on the bottle surface, making your life interesting.Suitable for wine bottles, glass bottles, beverage bottles and other bottles, this is a good accessory for decorating your places, you can use it at home, office, shop and other places.The wire is safe to use because it is waterproof, you can add water to the bottle without worries.This kind of is a good decoration for deck, garden, yard, fence, Christmas and other occasions.Specification:Material: Plastic + copper wire.Battery: AAA, 80mA, 1.2V.Power Source: Solar.Solar panels: 2V 20MA.String Length: 1M,2m.Type of Bulb: LED.Total LED Bulbs Per Line: 10LED, 20LED.Distance between per LED bulb: 10cm.Size: 4*2.8*1.6cm.Color: show as pictures.Charge: Charge for about 5-6 hours, lasting up to 6-8hours.Light color: yellow, pink, purple, green, blue, red.Note:Please keep the stopper away from water because only the copper wire LED is waterproof. Water can get inside the bottle.This is advisable to be kept away from flames, fluids and little hands.As the charging effect of the solar panel is depend on the sunlight, the LED light time and brightness are affected by weather, seasons, places, etc.Keep the switch on to get the solar panel charged under the sunlight(it will not charge if you put the switch off).Keep the surface of solar panels clean, the dust will affect the charging efficient.Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow a slight deviation for the measurement data and make sure you do not mind before ordering.Package included:1x bottle stopper string light.