Sses-1838 Top opening safe High quality keypad Audit trail function *internal light is standard option* 2 sets of emergency system: computerized emergency unit / mechanical emergency key 2 sets of code system: personal code system / master code system 2 kinds of working modes for choice: home users mode / hotel users mode Interior carpet Fully motorized double locking bolts Single-time molded case Durable finish Opening & closing with 3-6 digit personal codes and 6 digit master codes Date and time setting Optional time delay opening Optional permanent code Optional code blanking function 4 low energy consumption: 4 *aa (1.5v) alkaline batteries included Power status display