about this project 30pcs Mini LED LightsWarm white LED balloon lights with bright LEDs, saving power, more sturdy and durable, can light up paper lanterns or balloons, creating a romantic atmosphere (lighting mode: no blinking) Easy to DecorateThere is a hook on the top of each light of paper lanterns, you can easily thread them to fit paper lanterns, balloons or string lights. Can also be placed in flower arrangements, wreaths, bouquets, bridal ensembles, centerpieces, bottles, vases, tumblers for DIY decoration. Easy to OperateTurn on and off each LED light by turning the base. Opening: Just open the lid, remove the insulation sheet, and screw the lid on. Closing: Please unscrew the cover and insert the insulating sheet into the cover, then screw the cover on. WIDE APPLICATIONThese lantern balloon lights are waterproof, additionally comes with a waterproof silicone case to keep out the rain. Perfect for indoor and outdoor use, create a surprise atmosphere for dinner parties, parties, weddings, birthdays, Christmas and Halloween. Battery PoweredEach LED balloon light is independent and wireless, powered by 3 x 1.5 V LR41 batteries, the lighting time is 1-48 hours, reaching the best brightness within 1 hour (batteries included).