【Easy to Use & Battery-Operated】C7 Christmas String Lights Powered by 4*AA batteries(Not Included), do not have to plug it into an outlet, no need extension cord, and can decorate it anywhere, especially easy to place or hang the large bulb Christmas lights on Christmas tree, car, fences, wreath, doors and anywhere for decoration. 【Smart Timer】Automatically keep 6 hours on and then 18 hours off after setting the lighting modes. And the old fashioned christmas lights will turn on/off at the same time the next day, no need to turn on/off everyday. 【8 Lighting Modes】Large bulb Christmas lights have 8 lighting modes, such as fade and flicker etc. Press the round button on the battery box to adjust the lighting mode, to meet your needs in different scenes. Perfect for indoors and outdoors christmas decoration, such as christmas trees, wreath, bushes, garden etc. 【Waterproof & Safety & Energy Saving】Diamond strawberry shaped LEDs are made of high durability and the energy efficiency material, Impact resistant, shatterproof & break resistant. IP44 waterproof materia, enable the Christmas Lights can withstand any rainy weather. 50 LED big Christmas lights use LED bulbs, less energy provides more light, no need to worry about spontaneous combustion due to high heating temperature. 【Widely Used】Perfect outdoor Christmas C7 lights for Christmas trees, home, roof, garden, patio, balcony, porch, hallway, fence, shelf, commercial, bistro, pub, cafe, restaurant, shopping center, supermarket, New Year, birthday, gathering, disco ball party, dinner party, evening party, BBQ, ball, disco, bistro, pub, cafe, office.