Material& Specifications: Made of waterproof and bendable copper wire that could be shaped into any symbols (The string light is waterproof, but battery box is not waterproof). The wire of 20 Led Clip String Lights is 7.2feet/2.2m; 30 Led Clip String Lights is 10.5feet/3.2m; 40 Led Clip String Lights is 13.7feet/4.2m; Please select the right string lights. | 3 Light Modes:Always ON/Flash/OFF.It allows you to free adjustment any sizes on the led clip string lights for picture, any anyway you want! It can be put or hung on walls, windows, doors, floors, ceilings, grasses, Christmas trees etc.They are also durable, work in synergy to offer greater coverage, and give of a light fairy effect in night. | Battery Operated:The clip lights operated by battery which requires 3 AA batteries (not Included you need to buy it by yourself) each set includes a small battery box with ON/OFF button. Not only great for indoor use anywhere, but also safe for outdoor use in a covered area for party clip string lights decoration. | A Perfect Lighting Decoration: It is awesome to decorate sweet bedroom, parties, weddings, Valentine's Day, Christmas, home, window, bathroom, festival, Holiday, shows, restaurant, hotel, commercial building, shopping center, shopcase. Transparent clip which can nip photo or other small Items creating excellent wonderful and a warm atmosphere. | [Christmas Gifts Choice]:Our clip string lights not only for your own use but also as a gift for others.It is not just a showcase of pictures or artworks, but also a perfect way to recall your unforgettable and wonderful memory with this LED Photo Clip String Lights.Do not always stare at the LED light bulb directly as this may damage your eyes: )