4 SETS OF 50 COOL WHITE LEDs: Each string has 50 tiny cool white LEDs on 5m of thin, flexible copper wire, giving 20m and 200 LEDs in total. 4 sets let you decorate several rooms, jars or a whole tree at once. LIGHT MODES & TIMER, NO PLUG NEEDED: Each string runs on 3 x AA batteries (not included) from a compact battery box with an on/off button, flashing and steady light modes and a timer. Place the lights anywhere, with no trailing cables or sockets. BENDABLE COPPER WIRE: Shape, wrap and twist the wire around tree branches, banisters, mirrors, headboards and garlands, or fill glass jars, bottles and vases for a twinkling display. The thin wire almost disappears so only the lights show. WATERPROOF LIGHTS FOR INDOOR & OUTDOOR: The LEDs and wire are waterproof for porches, windows, balconies, garden parties and tents. Keep the battery boxes dry and sheltered when used outside. PERFECT FOR CHRISTMAS TREES AND MORE: Ideal for Christmas trees, winter wonderland displays, weddings and modern room decor. Low-heat LEDs are cool to the touch. Pack contains: 4 x 50 LED 5m cool white fairy light strings.