The CSN SELECT™ is a series of multi-credential technology contactless smart card (13.56 MHz) readers that support access by an NFC compatible Android smartphone app* for use in access control system solutions. The readers have the flexibility to read the Card Serial Number (CSN) from many smart card RFID standards, perfect for transitioning from one technology to another. UV resistant and with an IP65 rated sleek and modern design, the readers can be used comfortably in any installation environment whether indoors or outdoors.