MSTA-LA9 Fingerprint and Password safe lock MSTA-LA9 is a intelligent fingerprint lock with OLED display. You can verify a person and open the door with fingerprint and password. There are three user levels available to manage the system effectively- administrator, supervisor and user. An administrator can do add, delete or change users very easily at the lock. With the U. S. Standard single latch and reversible handle design, this lock can replace cylindrical knob lock and can be installed easily. ***************** FEATURES : ***************** No need mechanical key; Touch of your fingerprint or enter password will open the door. It will give you the freedom of never worrying about lost, stolen, or forgotten keys ever again. ransactions from the lock. Visual OLED display Providing you the user-friendly interface. You can simply use our fingerprint lock with ease after following the operation instructions for once. DIY-easy installation With the single latch design, this lock can replace the cylindrical knob lock without having to modify your door. All you will need is a screw driver and about 30 minutes. So the installation is both simple and quick. There are super administrator and administrator who can enroll and delete users. No one can get access to the system that you are in complete control over the system. Privacy protection Fingerprint templates remain intact after power failure. The templates are protected by special technology that inhibits the reproduction of the fingerprint image from the template. Robust housing The body of lock is made by zinc alloy which is strong enough to protect the system from any considerable outside impact. Security alarm activates when the invalid operation is made frequently by an intruder. Battery lifetime Lock is powered by four high-capacity alkaline AA batteries which can last up to 5, 000 unlocking activities. The OLED display will show the status of the batteries power level. Emergency battery for backup The lock supports temporary use of external DC power for fingerprint or password matching and unlocking by connecting a 9V battery to the two access points at the bottom of the lock.