Excelvan Safe Low Voltage 10m/33ft 100 LED String Lights Copper Wire, USB Operated Waterproof Decorative Fairy Starry Lights for Christmas, Wedding, Home, Patio, Garden and Party, Holiday, Blue Safe Low Voltage: 5V rated safe voltage with low heating generating, saving light power. Low consumption and high brightness. Energy-saving and environmental friendly. Convenience and Flexible: Copper wire, easy to setup and the flexible, allows you to get whatever shape you want. It is easy to move, bend and can be wrapped around anything that you want to decorate. Also can be used almost anywhere that you want to use. Waterproof Light: IP65 Waterproof Level makes the lights can be operated in drizzling rain weather condition. High quality copper wire and bulbs make the lights be durable for daily use. Available for indoor and outdoor use. USB Design: With USB interface, more safety than any other lights. With USB power operated that can be charged by mobile power banker, laptop or Personal Computer, more convenient than any other lights. USB charger makes the lights can be. Application: 100 LED super bright copper wire lights suitable for bedroom, home, patio, balcony decoration. Also the lights are great decoration for party, holiday, wedding and Christmas. The light effect is ideal for creating romantic atmosphere, ideal for any any decorative project.