Mr.Power Guitar effects Power Supply Adapter 9V DC 1A (1000mA) with Free Cable 3 Way Daisy Chain Cord/insulated cap OUTPUT: 9V, 1A (1000mA), negative center, 5.5x2.1 plug INPUT: Universal voltage AC110V~240V 3 way cable chain could power on 3 pedals at the same time,with 3 pcs insulated caps Professional noise isolation performance Fit for most brands of guitar effect pedals