1.Security Mechanism: Features a 2-way high-security lock system that uses both a digital password keypad and a physical override key.
2.Construction: Typically made of high-quality carbon steel with a durable textured finish.
3.Digital Interface: The keypad allows for programmable user codes, often with an LCD display and auditory signals for operation.
4.Emergency Access: Includes a concealed keyhole (usually behind a removable panel on the keypad) for emergency opening if batteries fail or codes are forgotten.