Timed digital lock with three small control buttons to set hours or minutes, up to 99 hours 59 minutes. USB rechargeable lithium battery for flexible charging. USB charging provides up to 120 hours of operation on a full charge. Tamperresistant when locked: it cannot be opened by hand. Simple to use: clear timer setting with intuitive controls to manage access times. Key benefits Controlled access: set a precise lock duration to fit your security or access needs. Longlasting power: USB charging delivers extended operation between charges. Secure by design: the lock remains secure when engaged, reducing opportunities for unauthorized access. Easy setup: quick timer configuration with three small buttons, no complex steps. Specifications at a glance Timer range: 0:00 to 99:59 Battery: USB rechargeable lithium battery Charging: USB Runtime on USB charge: up to 120 hours How to use Use the three small buttons to set the desired hours and minutes up to the maximum of 99:59. Ensure the timer is set within a reasonable duration for your application. When the lock is engaged, it cannot be opened by hand until the timer allows access as designed. Use scenarios Home medicine cabinet: limit access to medications during designated hours to improve safety and control. Office or classroom locker: manage access to shared equipment or supplies, coordinating usage between multiple people. Workshop or studio storage: restrict access to tools or materials to specific time windows, helping to minimize interruptions and maintain organization. Note Please set the time within the specified maximum and use a reasonable duration for your security needs.