UL certification;Fully enclosed steeldouble - layer box, filled with special fireproof material

Anti - detection test electronicpassword lock, three consecutive input wrong password, alarm

Can hide passworddisplay;The last 14 unlock records are available;Vibration alarm can be set

Telephonebuttons;4-8 digit password can be set, two sets of valid password;valid password;

Double colorLCD display;

Calendar (date, clock and week) available.

2keys for emergency forced lock;

                           Othersize