9V Power Supply Specs: Input:100-120V, 50-60Hz / Output: DC 9V 1A, Negative (-) tip connector; 5.5mm x 2.1mm barrel connector. Note!!!!: Not compatible with 9.5V Casio keyboard (Central Positive Electrical).
Widely compatible: This 9v dc power supply for guitar pedals is widely compatible with BOSS , Roland , Distortion, Casio Keyboard, Behringer, DigiTech, Jim Dunlop, MXR, Nobels, NUX, TC Electronic, Xotic, Zoom Effects Pedals.
Multifunction: The casio keyboard power supply for powering most instrument pedals and other 9-Volt battery devices, it can also be used to power tip-negative keyboards.
Package includes: 9V power cord casio keyboard has extra long cable 10feet. Security quick charge, protect the casio keyboard, cell loss and aging.