ACR122U USB NFC Tag Reader & Writer
The flat surface of the ACR122U makes it easy to place an NFC tag on top of to read and write NFC tags. It has three controllable LEDs that can be programmed to notify you when a tag is in field, being written or read. This reader allows you to read NFC tags, perform tag actions, and integrate with applications.
Free NFC Software available on the GoToTags website. SDK is optional, not required.