Sargent & Greenleaf 6120-305 Electric Safe Lock W/1-9 Min Delay by Sargent and Greenleaf One million codes to choose from. One master code and eight user codes. Programmable time delay of one to nine minutes can easily be activated from the keypad. Deadlocking, motor driven bolt withstands over 225 lbs. of end pressure. UL Listed Electonic Safe Lock. Penalty lockout feature shuts the lock down for five minutes of four or more incorrect codes are entered in a row to deter random code entry attempts.