This bottle stopper is powered by solar energy and is designed with a solar panel on the top, which can be used for 68 hours after being charged for 56 hours in sunlight, and the LED light can serve you for a long time without producing much heat.The copper wire is flexible and bendable, long enough to decorate different places you like, you can place it in the bottle or twist it on the bottle surface, making your life interesting.Suitable for wine bottles, glass bottles, beverage bottles and other bottles, this is a great accessory to decorate your places, you can use it at home, office, store and other places.The thread is safe to use because it is waterproof, you can put water in the bottle without worry.This kind of is a good decoration for deck, garden, yard, fence, Christmas and other occasions.SpecificationMaterial Plasticcopper wire.Battery AAA, 80mA, 1.2V.Power supply Solar.Solar panels 2V 20MA.String length 1M,2m.Type of bulb LED.Total number of LED lights per row 10LED, 20LED.Distance between each LED lamp 10cm.Size 42.81.6cm.Color show as pictures.Charging Charge for about 56 hours, lasts up to 68 hours.Light color yellow, pink, purple, green, blue, red.NoteKeep the cap away from water as only copper wire LED is waterproof. Water may enter the bottle.It is recommended to keep it away from flames, liquids and small hands.Since the charging effect of the solar panel depends on sunlight, the time and brightness of the LED lamp are affected by weather, seasons, locations, etc.Keep the switch on to get the solar panel charged in sunlight it will not charge if you turn off the switch.Keep the surface of the solar panels clean, dust will affect the charging efficiency.Due to the difference in light and screen, the items 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 included1 bottle cap string light.