6540TP reader is widely used in industrial grade access control. It has strong box, beautiful design. It can be ISO14443 or ISO15693 two choices. we also have access control card, access control wristband, or access control keyfob to work together with this reader. Warranty of our products are one year, and we supply free SDK of this reader, If you have any difficulties in the development of this reader, just fell free to contact us,our enginner can supply all the necessary technical support.