Usb AA Battery Eliminators for LED Lights Power Supply Christmas Tree Light Replace Batteries Save Energy String Exhibition Replacement

VERSATILE COMPATIBILITY: Designed to power decorative lights, fans, cameras, and any device requiring 4.5V or 3V AA batteries. FLEXIBLE OUTPUT OPTIONS: One black battery dummy outputs 4.5V, two black batteries output 3V, and the yellow virtual battery acts solely as a conductor with 0V output. USB POWERED CONVENIENCE: Simply connect via USB 5V input to eliminate the need for disposable AA batteries, providing a continuous and reliable power source. AVAILABLE IN MULTIPLE LENGTHS: Comes in various cord lengths including 1.5M (59 inches) and 3M (118 inches) to suit a range of decorating needs and spaces. IDEAL FOR HOLIDAY DECORATING: Perfect for long-term use with Christmas tree lights, LED string lights, and other festive decorations, saving you the hassle of frequent battery replacement.