STUNNING WARM WHITE LED LIGHTS: This 42-foot set features 500 LED lights in a warm white hue, perfect for creating a cozy, festive atmosphere for your Christmas tree, mantel, or outdoor décor. VERSATILE 10-FUNCTION CONTROLLER: The included 10-function controller allows you to easily customize the light display with various lighting effects to match your holiday mood or theme. ENERGY-EFFICIENT USB-POWERED DESIGN: Powered by USB, these LED lights offer an energy-efficient solution for your holiday lighting needs, helping you reduce electricity consumption while still enjoying beautiful lighting. OFF TIMER FOR CONVENIENCE: The built-in off timer feature automatically turns off the lights after a set period, saving energy and ensuring you don’t have to worry about manually switching them off. DURABLE AND FLEXIBLE GREEN CORD: The green cord seamlessly blends with your Christmas décor, while the lights are designed for both indoor and outdoor use, providing flexibility for decorating your home or garden. Number of LEDs: 500LED Color: Warn WhiteLED Size: 3mmCord Color: GreenLead Cord: 16 feetSet Length: 58 feetTimer: 8 hours on / 16 hours offController: 10 functionsPower Connector: USBPower Source: USB port or designed to be used with USB battery packsIndoor/OutdoorWith our USB connector, you can plug this set into any available USB port in your wall, automobile or computer. A USB adaptor is included, allowing you to plug into a standard 120V outlet. This product is also compatible with the Roman Lights Ultra-Compact Portable 2000mAh Rechargeable Power Bank and the Roman 6" White Battery Box. Plugging this LED light set into a battery pack allows you to decorate anywhere power is not available. It is perfect for remote locations, table decorations, bannisters, rooflines and other hard to reach places.