Key benefits Time controlled access: Set a specific access duration with three buttons so items are available for a defined period. Simple operation: Three small buttons to set hours or minutes for precise timing up to 99 hours 59 minutes. USB powered: Uses USB charging with a lithium battery, enabling easy recharging. Tamper resistant when locked: When the lock is engaged, it cannot be opened by hand, adding a layer of security. Clear guidance: Time should be set thoughtfully to match your access needs. Key features Charging via USB takes 120 hours. Powers USB lithium batteries with three small buttons to set hours or minutes; maximum setting time is 99 hours and 59 minutes. When the lock is locked, it cannot be opened and cannot be broken by hand. Time setting is intended to be performed prior to locking. Use scenarios Home or office valuables: Secure a cabinet, safe, or locker for a defined period to control access to important items or documents. Shared tools and equipment: Use in workshops, classrooms, gyms, or dorms to enforce a temporary access window for shared gear or supplies. Medication or hazardous items: Lock a cabinet or storage area to limit access to medications or hazardous items for a specific timeframe. Operational guidance Before locking, set the desired duration using the three buttons. Ensure the time is set to match the required access window for the application.