MaxLLTo 6ft Extra Long 9V AC DC Power Adapter Supply for Casio WK-200 AD-5UL AD5UL Keyboard Input: 100-240V 50/60Hz Output: 9V ; Length: 6 FT , special design for keyboard use; 100V~240V switching input adapter, US standard Plug Great for replacemnt or travel back up.Short circuit Protection Package include: 1 X AC Power adapter for Casio Electronic Keyboard Compatible with Model: Casio CTK-2100, CTK-2000 CTK-451, CTK-471, CTK-481, CTK-483, CTK-495, CTK-496 CTK-510, CTK-511, CTK-519, CTK-520L, CTK-530, CTK-533 CTK-540, CTK-555L, CTK-560L, CTK-571, CTK-573, CTK-591 CTK-611, CTK-620L, CTK-631, CTK-691 CTK-700, CTK-710, CTK-720, CTK-800, CTK-900 LK-100, LK-200S, LK-210, LK-220, LK-300TV, LK-40 LK-43, LK-45, LK-50, LK-55, LK-73, LK-90TV, LK-94TV WK-110, & WK-200