About this item 【Battery Powered Decorative String Lights】 Our outdoor yard decoration lights is fully flexible for indoor and outdoor use, because it’s powered by 3* AA batteries so you DON'T need an extension cord or external power supply, and you can use it safely anywhere. Perfect for families with children or pets! The string fairy lights total length of 131ft, with 300 lights, means that our LED string lights can help you decorate even the biggest rooms or your garden, backyard, or your balcony. 【Auto Timer & Memory Function Summer Lights 】Once the timer function turns on(Press 2S to start the timing function). The timer keeps your lights ON for 6 hours, then OFF for 18 hours - automatically. This not only protects the batteries but also saves energy. If you don't need to use the timer function, just turn on the lights when you need it. This battery-operated string lights use a built-in memory chip to remember the last setting. No need to set again. 【8 Lighting Modes Fit Different Occasions 】This Summer garden fairy lights has 8 different light modes -Combination, In Waves, Sequential, Slo-glo, Chasing/Flash, Slow Fade, Twinkle/Flash, Steady On and off. The string lights flash at different speeds or different modes, or they can also provide continuous lighting so that everyone can find the right light to match the mood and atmosphere. 8 modes x 3 lighting types mean you get 24 lighting effects all controlled by only one button! 【Waterproof Fairy Lights】 This LED icicle string lights is perfect for patios, gardens, yards, porches, roofs, fences, restaurants, hotels, commercial buildings, shopping centers, and more. Their IP44 Waterproof rating allows outdoor usage, so our battery fairy lights works perfectly, indoor or outdoor, to meet your needs. 【 UL Certified LED String Lights 】ilikable yard decoration string lights are certified by UL588, the high-quality copper wire can keep at a low-temperature state after lighting up for hours, very safe to use. We take full responsibility for our LED decorative string lights. If there is any quality problem or anything unsatisfactory about our Christmas tree lights, please tell us and we'll reply within 24 hours and give you a 100% satisfied solution.