Record opening time and opener every time automatically. Keep opening operation under control all the time.
Resolved the management problem that a person had taked two key of the cabinet.
Exempted the administor's worry about keeping the key of cabinet.
Can use undependently or on-line.
More convience, avoiding the trouble of the traditionnal mechinical lock or coded lock.
More safe and reliable, and need not worry about that the key lost or code stolen.
Offering the combination room for the long aciton. Resolving the problem that the different weapon loaded diffcultly.