Built-in Timer Function: When you turn on battery fairy lights, the timer twinkle fairy lights will turn on for 6 hours and then turn off for the next 18 hours, allowing you to enjoy hassle-free lighting every day. No more worrying about remembering to turn them on or off! 5 Light Modes & Waterproof: The timer fairy lights battery offer 5 adjustable modes and the IP68 waterproof battery case allows for usage in light rain and snow, making them suitable for both indoor and outdoor settings. Long-Lasting LED Lights: The 2 packs of 16.4Ft 50 LEDs battery fairy lights are designed to last longer than traditional bulbs, so you can enjoy your twinkling lights for longer without having to replace them. Lead wire: 0.5m/1.64ft, enough to hide the battery compartment. Convenient Battery Operation: No need to worry about finding a nearby outlet or tripping over cords. These twinkle lights are 3xAA battery-operated (Not included), allowing you to place them anywhere without the hassle of cords or wires. Durable and Flexible Wire: The silver copper wire is both durable and flexible, making it easy to bend and shape to fit your decorating needs. Plus, it's thin enough to be discreet and blend in seamlessly with your decor. Ideal for Various Occasions: Perfect for seasonal dcor, weddings, parties, and daily decorative use, providing an easy way to elevate any environment and switch up looks with two light strings for extra flexibility. Easy Installation and Setup: Each string can be installed quickly and doesnt require complex setupgreat for DIY projects and hassle-free decorating.