Mains adaptor that powers compatible UNIQUE LED lights and magnifiers without batteries. Converts 120–240 V AC, 60 Hz, 2.5 W input to a regulated 4 V DC output at up to 100 mA, suitable for lights designed to run on three AAA cells. A compact solution for steady illumination at the machine, cutting table or hand‑work station. Follow basic usage guidance and test on a scrap when applicable. It is a practical addition to any sewing kit.