1.Unlock by 1-Time  Password：

The user report the lock ID No.to the owner or the guard central by phone calling,after authenticating,the user will get the 1-time password for open the lock.This 1-time password has time validity,for instance,                       

if programmed by 2min or 5min validity,then after 2min or 5min,the user use this password to open the lock,it’s not working.The user has to report to the guard central for new 1-time password for unlocking by user’s information authentication through phone calling.

2.Remote Authentication By Lock

The lock can authenticate the 1-time password by its inside programme.

Because it has built-in remote module for communicating with the guard central software.

3.Functions:

(1).Passsword Unlocking

(2).Locking by password or shortcut button.

(3).Outside power offering when the battery power is used up.

(4).Lock login standby status if no later operation after input the correct password.

(5).After error operation 5 times continuously,the lock will send voice alarm,and will lock the keypad for 1 min againt any operation.