ttlock bluetooth smart home digital fingerprint door lock with digital keypad nfc card reader

the app named "ttlock".
ttlock app can remotely unlock the door via bluetooth. 1, send ekey to unlock door
if the visitors has ttlock account, then you can send him ekey, he can use the ttlock to unlock door directly, 2, authorize the passcode to unlock door
there are 5 different kinds of passcode.
1, permanent;
2, timed;
3, one-time;
4, customized;
5, recycling 3, authorize ic card to unlock door
the app can authorize 200pcs ic cards at most. 5, attendance management
if you install the lock at office, then you can turn off this feature. the app contains functions of employee management, attendance statistics and so on..syi