Extend your battery life by using this optional AC adapter while you're at home or near an electrical outlet</br>12V Adapter for CTK 5000, WK 500 / 3300 / 3800, CDP 100 / 200, PX 100 / 110 / 120 / 200 / 300 / 310 / 320 / 400R / 500L / 575R / 700 / 720</br></br>Product Description</br></br>The Casio AD12M power supply is compatible with the following Casio keyboard models: CTK-5000, WK-500, WK-3300, WK-3800, CDP-100, CDP-200, PX-120, PX-320, PX-575, PX-720</br></br>Amazon.com</br></br>The AD12 adapter is designed specifically for Casio's WK series and Privia model instruments. It is designed to extend your battery life while at home or near an electrical outlet.</p> <p>Save the batteries for when you're away from home. These AC adapters plug you into endless hours of playing, not to mention they save you a bundle on batteries. <p>This high quality adapter is designed specifically for the following Casio keyboard models: CTK-711EX, CTK-731, CTK-811EX, PX-100, PX-110, PX-120, PX-200, PX-300, PX-310, PX-320, PX-400R, PX-500L, PX-555R, PX-575, WK-1250, WK-1300, WK-1350, WK-1600, WK-1630, WK-1800, WK-3000, WK-3200, WK-3300, WK-3500, WK-3700, WK-3800, WK-8000 <p><b>What's in the Box</b><br> Casio AD12 AC Adpater Power Supply</br><br/>http://www.amazon.com/gp/product/B00029HDT0