Qualizzi Star Lights Mini Led Light Set, 5 Pack "Decorating with String Lights" makes the kit a wonderful Christmas Gift. Starry Lights BATTERY OPERATED strings of lights 20 BLUE color LEDS. Operated by three AA Batteries (Not Included) inside a small transparent plastic holder with On/Off switch. Battery pack dimensions: 2" x 2-3/4" x 3/4". See instructions to open the battery holder. It is not waterproof and it is fragil. It will break if it drops to the floor. So handle with care. Batteries last around 48 Hours when you use them 24/7 without stopping them. Avge. battery life is 120 hours (approx. 5 days) if used with breaks. BLUE Micro LED Lights : 20 LEDs on String Light Battery Operated - Blue Starry Lights on Ultra-thin Copper Wire Silver Coated (6.56ft / 2m) - Strings of Light for Blue Decorations. Bedroom Fairy Lights. Indoors & Outdoors Garlands for Backyard. Popular Strips for Bicycles. Party Leds Wire Lights- The SILVER coated Copper Wire, 3mm in diameter and 7ft total LENGTH, make them look as a jewel at short distance. At some distance the silver led lights string turn invisible when the micro LEDs are turned on. There is a distance of 4" in between the 20 LEDs strung on the bendable wire easy to wrapp around objects. Color of bulbs is BLUE, they are very bright micro LEDs, as the clear bulb covers create a sparkling glow and Led lights are very bright "per-se". The Waterproof LED Silver Wire Strings can be used OUTDOORS for decorating patios, pools and gardens. This is the perfect light for a party. The battery light led wire can be submerged but we don't recommend to stay underwater too long. Starry String Lights also called Fairy lights battery powered, due to their light fairy like feeling, provide en extra easiness of installing them on any area of your special events. The blue strings lights can enhance a wedding with a romantic glow when hanging on ceilings, that will look like a blue starry lights sky at a very starry night or hidden on tables bouquets and candles. Battery Led Lights are great for ornamentation on Halloween and Christmas holidays. Your home decoration will become alive when you add the led silver wires on forgotten corners. If you are an imaginative person, the blue led light wires will inspire you to make beautiful crafts and hand made lamps with bottles, pots or anything at hand. They add a beautiful soft blue color to your bedroom. These battery operated starry lights are so light in weight that are portable to anywhere you want. The Blue Lights String is very useful and popular today for sports, lighting your jacket, your bicycle, helmets... The led lights string work as illuminating devices for the wheels and other elements of bicycles. They add extra safety when you go on your bike, acting as twinkle lights so that everybody sees you, without blinding other vehicles with excesive lighting. LEDs are ENERGY EFFICIENT and environmentally friendly.