HL669K Black Door Knob with Keypad

This door knob with keypad offers security features like vacation mode and automatic locking. It is made of sturdy zinc alloy and includes safety modes and passage mode switching.

• The description claims user codes cannot be used to open the lock except by the administrator code or mechanical keys.
• The description claims automatic locking time can be adjusted from 2 to 99 seconds.
• The description claims the product has an anti-violent impact latch and higher tensile strength.
• The description claims low-power alarming occurs when batteries are running out.