12V Transformer 6V-0-6V CT 4A 110Vac 220Vac to 12Vac95mm x 60mm x 55mmThe mounting centers are exactly right to fit a 4 inch round ceiling box. This makes it useful for 12 volt halogen or LED light fixtures (would need a conical cover if mounted outside, or a very deep box if mounted inside).12V Transformer 6V-0-6V CT 4A 110Vac to 12Vac New Surplus Chassis Mount Transformer for Electronic Projects DESCRIPTION 6V-0-6V CT 4A Input: 110/220VAC 60Hz (Use one blue wire with the black one for 110Vac or red and black wires for 220Vac)Outputs: 12VAC @ 4A 6V-0V-6V (Use one green and black wires for 6Vac or two green wires for 12Vac) From bulk packaging, not in retail packaging. Great Experimenter, project power source. Rectify it full wave, full wave center tapped, or half wave, Then a regulator for the voltage your project needs. 120Vac 50-60Hz input. Carefully packed shipping. If for ANY reason you are not satisfied with your purchase, PLEASE CONTACT ME IMMEDIATELY. Do not leave me negative feedback without contacting me and trying to resolve and issue. I am a very accommodating seller and would be more than glad to help you. USA Shipping Only Si por alguna razón, usted no está satisfecho con su compra, por favor contactarme inmediatamente. No deje un feedback negativo sin tratar de contactarme para intentar resolver el problema. Soy un vendedor servicial y sería más que alegre el poder ayudarle. Solo envío a los EU Add a map to your own listings. FREE Trial!