Description: Double sided electronic battery operated digital lock. Holds up to 2000 codes Master Management Supervisor & basic user. 500 event schedule multiple モone-timeヤ user codes & 40000 event audit trail. Programmable keypad on both sides of the door. Only primary keypad has data transfer capability. Key override is only operable on the primary side. The key on the secondary side is used only to remove the lever and access the batteries.