1USB or battery (battery not included) dual power supply, USB charging can be used with power banks, computer USB ports, mobile phone charging heads, etc., battery power supply only needs three AA batteries (not included) can be used. 2USB or battery power supply (without battery), 5V safety voltage, to ensure that there is no safety hazard in use, even if it is used for a long time, it will not get hot. At the same time, it adopts energy-saving LED bulbs with a bulb life of up to 50,000 hours and a long service life. 3Copper wire and PC materials can be customized in any shape. This tree with lights can meet your DIY needs through flexible and bendable branches. It is easy to install and move. It is definitely a perfect decoration. 4LED tree lights bring elegant design and dreamlike light into your home, as birthday gifts or holiday gifts, to your family, friends and colleagues, and bring them a warm and dreamy space environment. 5The novel LED tree lights has a wide range of applications. It is a perfect decoration for bars, tables, restaurants, bedrooms, offices, bookshelves, children's rooms, festivals, weddings, parties etc.