The Cobra is an access control device with a fingerprint and card capacity of 500 templates each. There are two version of the Cobra device available, one is a stand-alone reader that has direct lock control and offers a simple solution for access control only. The other version Cobra is the Cobra slave which works hand in hand with the Sparrow and Stinger for a cost effective network based access control solution, where access verification is required on both sides of a door.