Size: 9V 0.5A (500mA) This is an AC/DC adapter product. Use it to power your products. Depending on specifications, use this adapter to power products such as routers, modems, lan phones, and other office electronic devices. The input for this device is AC100~240V 50/60Hz, 0.25A max. The length of the cord is 5 feet long, and the product is UL Listed