The DH-JA1101 can be installed in homes, offices or conference rooms due to its user-friendly design and up to 25,600 door-opening records. There are three permission groups provided: 5 administrators 135 ordinary users and 10 temporary users. If there are attempts of theft or intrusion the alarm will be triggered and will continue for one minute. There are also two other optional ways available to open the door using either the mechanical key or key panel.