The Hosa ADC-477 is a high quality switching-type AC/DC adapter with robust rotary switch and multiple power connector options for a variety of electronic products and appliances for home, office, studio or stage. Folding-style plug for compact storage and travel. Worldwide input: AC 100-240V, 50/60Hz - adjusted automatically Regulated Output: DC 3, 4.5, 6, 7.5, 9 and 12 Volt Six adapter plugs for versatility Short Circuit Protection LED power indicator