The Sargent and Greenleaf (S&G) I-Series Keypad Control App provides users the ability to quickly access their lock with a single touch as well as full user management control. The new I-Series keypad lock contains advanced proprietary encryption for secure communication and is compatible with all iPhone devices that support Bluetooth 4.2 BLE technology (or later). The S&G I-Series Lock Control app also provides access to unlimited audit trail information, to know when the safe has been accessed.