Secure Card Reader Authenticator (SCRA) is MagneSafe™ secured and offers a reliable and convenient swipe path with complete security features for the peace of mind you can trust. Specifically designed to meet PCI DSS requirements to secure cardholder data, the Dynamag employs the industry standard, Triple DES encryption. The Dynamag is USB powered. This bi-directional SCRA conveniently makes any existing merchant application more secure.