Mighty Bright AC Adapter, 4.0V 400mA (US Adapter) This 13 foot, 4 meter AC power adapter is made for use with Mighty Bright's Baby Bright, Duet2, Encore, Hammerhead, Orchestra, Vusion, and XtraFlex2 lights. Manufacturer SKU# 37372B. IMPORTANT: please note this AC adapter is not compatible with the Mighty Bright Floor Light Magnifier. Visit our official website for a replacement adapter for your Floor Light Magnifier. This adapter has an input of 100-240 Volts, 50-60 Hz, 0.1 A, 2.5 W. The output is 4 Volts of DC current, 400mA max. We are The Original Mighty Bright, designed and headquartered in the U.S.A. since 1984, providing quality booklights, lighted magnifiers, music stand lights and more. Contact our U.S. based Customer Service Team (Monday through Friday from 8am  5pm PST) at 1-800-922-3233, or email us anytime via an Amazon message. Visit our official website to see verified reviews and additional product information. All Mighty Bright product is backed by our 100% Mighty Bright Guarantee 1-year full warranty. We quality test to FCC, CE, RoHS and Reach, UL, and California Prop 65 standards, and we audit our suppliers working and living conditions, and factory safety, to ensure high standards.