CASIO Electronic Keyboard AC Adapter Model: AD-5JL Voltage has been confirmed to be outputting above the rated value using a tester. This is a used item, so there may be scratches and stains. The item includes only the AC adapter; the tester and calipers used to measure the voltage are not included. Shipping will be anonymous and via postal drop-off. Input: AC100V 50/60Hz Output: DC9V 0.85A (850mA) Output Plug: Outer diameter 5.5mm, center negative Compatible models are as follows, according to online research: LK-208 LK-108 LK-207 LK-107 WK-210 CTK-560 CTK-4000 MA-150 CTK-496 CTK-230 CTK-130 etc. Please check the instruction manual of your device before purchasing. Compatible with: AD-5JS