SMART TIMER PROGRAM: One button to turn the Party String Lights ON and OFF, and set the timer program. 1st press for the timer program (8 hours on, 16 hours off, cycle daily). 2nd press to make the lights steady on and 3rd press to turn off the lights.PREMIUM QUALITY & IP44 WATERPROOF: Made from premium copper wire and 60 of individual LEDs, these Starry String Lights have over 26 years of life span. Simple 3*AA battery case and heat insulated copper wire to ensure safe usage. The waterproof grade of the battery case is IP44.MOLDABLE SHAPE: The Decornova Party String Lights, measuring 19.7 feet with an extra 1.6 feet lead wire, are flexible and easy to mold into any shape that you desire. It can be wound around furniture, beds, windows, staircases, bars, frames, rafters, fireplace mantels, patios, balconies, boat decks, and more.LOW CONSUMPTION & BATTERY-OPERATED: Only 3*AA batteries are required to work. A transparent battery case is included while the batteries are not. Rope lights have over 25 years of life span.OUR CUSTOMER SATISFACTION MONEY-BACK GUARANTEE: If you are not satisfied with the LED Fairy String Lights just return them within 30 days for a full refund. No questions asked, no hassle. Scroll up to click the Add to Cart button to have your String Lights shipped today.