Battery Operated (4x AA Batteries Required): These LED berry lights are powered by 4x AA batteries (not included), allowing for easy and flexible placement without the need for an outlet. Ideal for areas where electrical outlets are hard to reach, or for a portable, wireless lighting solution. Indoor & Outdoor Use: Perfect for any environment, these string lights are suitable for both indoor and outdoor settings, including bedrooms, patios, gardens, weddings, parties, and holiday décor. Energy-Efficient & Long-Lasting: Enjoy the beautiful glow of LEDs with minimal power consumption, ensuring long-lasting and lower energy usage. Durable & Safe: These string lights are built to withstand outdoor conditions and safe for use around children and pets. Easy to Install: Flexible and lightweight, these lights can be easily arranged around trees, wrapped on furniture, or draped over railings. With a simple battery installation, you can set up in seconds.