About this item ? DURABLE INDOOR OUTDOOR STRING LIGHTS: Our battery operated string lights are designed to withstand the wear and tear of year-round indoor/outdoor use. These outdoor string lights are weatherproof and waterproof to withstand extreme temperatures, rainy, windy, or damp climates ⏰ TIMER FUNCTION BATTERY OPERATED STRING LIGHTS: These gorgeous LED string lights are battery powered with timer function, 6 hours ON and 18 hours OFF over each 24-hour period automatically. Each energy-efficient LED bulb stays cool to touch even after hours of illumination, safer than plug-in lights ? EASY OPERATION LED STRING LIGHTS: Press the button on the battery box to select the mode from 8 options: Combination, In wave, Sequential, Slo glo, Chasing/Flash, Slow fade, Twinkle/Flash, Steady on. Timer function will be activated as you turn the lights on, no more operation needed ❄️ COMMERCIAL GRADE WATERPROOF STRING LIGHTS: Heavy duty green wire and LED bulbs are specially designed for indoor/outdoor use, our LED string lights can produce a fairly good amount of lumen and create an elegant glow for your home, patio, deck, garden, balcony and wedding, party decoration ? CUSTOMER SATISFACTION GUARANTEED: LOENDE aims to provide creative, innovative, beautiful and cozy lighting so that everyone can have quality, high end lighting in their home and office. We proudly stand behind all of our products and provide a 30-day money back guarantee and 2-year warranty. If for any reason you are not satisfied with your purchase, please contact us immediately and we are committed to making it right for you