Electronic access control that fits entirely inside a mortise cylinder; the DMC4 installs easily without wires or modifications into an aluminum storefront lock or select mortise cylinder applications. Secure wireless operation is accomplished with a standard transponder, biometric transponder, or keypad. The DMC4 brings the control and convenience of timed operation, audit records and multi-level access control and can be configured and monitored individually or through a wireless network as part of a SimonsVoss system. Information: www.simonsvoss.us.