3*AA BATTERY OPERATED STRING LIGHTS 2 Packs of 50 LED christmas lights are powered by 3*AA batteries (not include). With 3.9inch flights spacing, total length 33Ft. The flexible glue wire is thicker than a traditional rope to withstand the wear and tear of year-round outdoor useTIMER FUNCTION Auto 6 hours ON, 18 hours OFF every 24 hours. It will be activated when you turn on the lights. Convenient to free your hand and save batteries. You can put them everywhere as you want8 LIGHTING MODES The outdoor mini light has 8 lighting modes for you to choose from - Combination, In waves, Sequential, Slow Glow, Chasing/Flash, Slow fade, Twinkle/Flash, Steady on. Decor season or light up a unique outdoor/indoor illuminated backdrop for your family decorationsWATERPROOF & PORTABLE Adopted with a waterproof battery box and string lights, you can easily carry and place the led string lights anywhere you like, suitable for use where rain, spraying water, snow are likely. The battery cases are provided with a hanging hole, which can be easily hung on anywhereWIDE APPLICATION These battery operated string lights add color to your decoration or set the atmosphere of Halloween, Christmas, Thanksgiving, birthday parties, wedding, very suitable for indoor and outdoor lighting decoration, like farm, home, bar, garden, patio, balcony, or wherever decoration lighting is needed