This Online Christmas Tree Decoration Light String is a great way to decorate any Christmas tree with ease. The 6 meter-long string has 40 LED lights and a 3 AA batteries power supply making it an efficient and portable light source. With its waterproof and insulated design, this product is suitable for both outdoor and indoor use. The 40 LEDs are designed to look like tiny stars twinkling in the night sky, creating a magical and festive atmosphere. The specially designed wire makes these lights easy to wrap around Christmas trees of any size, while the battery-powered supply ensures that these lights will not overheat or short circuit, ensuring that no matter the weather, your decorations will remain safe and secure. What's more, this light string is designed to be energy efficient, using only 3 AA batteries that will last for up to 8 hours of continuous use. This makes it incredibly cost-effective, as it will not require any cables or additional electric power to use. This Online Christmas Tree Decoration Light String is a brilliant addition to any Christmas tree decorations, creating a captivating and sparkling atmosphere that will brighten any room.