Durable metal construction for outdoor use: Smooth edges and a splashproof design, this lock is built to withstand varied environments with a robust metal body and reliable longterm performance. Clear backlit LCD display: Bright white backlight enhances visibility, allowing easy reading of timer settings in low light and ensuring accurate monitoring at all times. Keyless unlocking with timer control: Integrated chip and digital timer switch enable automatic unlocking without keys, providing convenient and secure access for multiple applications. Audible alert on timer completion: When the countdown ends, an audible alarm sounds to notify you, supporting timely resets or actions that require precise moment management. Use scenario: Gate or shed access — schedule timed unlock periods to control entry for residents, workers, or deliveries without carrying keys. Use scenario: Shared tool cabinet or equipment locker — permit access during designated windows, reducing unauthorized use while simplifying workflow for teams. Use scenario: Maintenance or service workflows — technicians receive automatic unlocks during planned maintenance windows, with an audible cue indicating the end of the interval.