Fairy Lights with Timer: When the switch is set to "TIMER" on the battery case, the fairy lights will automatically stay on for 6 hours and turn off for 18 hours, repeating the cycle daily as long as the batteries have power. Enjoy effortless, hands-free operation while saving energy! | Ultra-bright and Durable Battery Fairy Lights: Made with ultra-bright LED and durable silver wire, the battery operated lights can last long and will be an ideal choice for classroom, dorm, bedroom and home décor. Each set contains four battery lights. Each battery powered lights length is 16ft with 50 LEDs. AA battery case, batteries not included | Waterproof LED String Lights: With IP44 waterproof design, the silver wire battery fairy lights can keep shinning even under wet condition, ideal for indoor outdoor home decor. The battery case is a regular case and should be covered from rain/snow when used outside | Easy Operation and Portable: The battery twinkle lights are very easy to use. Slide to open the battery case, insert 3 AA batteries with the correct polarity, and slide the switch to ON/OFF/TIMER. With its small size, you can take the timer fairy lights anywhere conveniently for a romantic trip and it is easy to hide into your design works | Flexiable and Cuttable Battery Fairy Lights: With the bendable wire, the battery string lights are easy to shape and wrap around various objects, such as furniture, plants, or decorations. These twinkle lights are also cuttable, allowing them to be trimmed to the desired length without compromising their functionality | Widely Application For Indoor Outdoor Use: The mini battery lights string can be widely used for classroom, dorm, girl's bedroom, home, wedding, garden, and centerpiece. It's also a good room dorm decor for students, creating a warm and cozy atmosphere for school night | Outstanding Customer Service: If you have any question or problem about our product, please feel free to contact us and our customer service team will respond you in twenty-four hours