INDOOR WHITE LANTERN LIGHTS STRING PLUG IN 120V: Reduce the trouble of battery(others are battery operated string lights),our strings are plug in style and help you to work long time as you need. OUTDOOR LANTERN LIGHTS STRING GREAT AS PATIO LIGHTS: Cute and Mini Lanterns are 100% waterproof no problem as patio string lights ,warm lantern lights decorate your patio and balcony very nicely . STRING of LANTERN LIGHTS FOR BEDROOM: twinkle lights for bedroom has a plug on one end and a socket on the other.So one white string lights can connect up to the other strand, beautiful decorative lights display can hold maximum 25 sets same string light together. STRING Of LANTERN LIGHTS CERTIFICATION: The whole lantern string lights are Listed by UL.Please do kindly read the instruction and then install the lanterns on the light string. SPECIFICATIONS OF MINI LANTERNS WITH LIGHTS:The porch lights string material are Nylon Fabric(not paper lanterns with lights), one set light string is including white nylon fabric exactly string lantern lights, each bulb spacing distance is 10 inch(need simple assembly.