A single CR123A 3V lithium battery last longer to help minimize maintenance.
A low-battery alert notifies administrator when it's time to replace the battery.
9V battery backup jump port can temporarily power the lock if battery dies.
Sensors provide visual & audible alerts to signal if locking mechanism is blocked.
Unique Backup Master Code or Administration Key (Model number: 1566) allow for administrative access to locker.
Ability to turn sound off and on.
Replacement Bluetooth-enabled fobs available (Model number: 3686)
Ideal for ADA applications, the Master Lock 3681 ADA-Compliant Electronic Built-In Locker Lock with Bluetooth Fob is designed to elevate the experience. Combining a modern design with premium materials to offer improved functionality, the 3681 includes a Bluetooth-enabled fob that comes paired with the lock. This fob allows users to open/close the lock with the push of a button. The 3681 offers a new level of innovation with its high-visibility display screen for intuitive operation, long battery life to reduce operating costs, and anti-jamming features for reliable security. Suitable for most lockers - metal, wood or phenolic. Reversible design works on lockers with left or right hinges. Easy to retrofit. Strike plate included.