Awesome electronic password safe, if you have not used my Square, this hotel HB-2040B electronic password safe, then you OUT! ! ! The! ! ! It! ! ! Immediate action! * All steel, multi-bolt design, rugged tamper. * 3-6 digit combination of user password, to prevent possible collision code * LED display * hidden code function. This feature prevents you from seeing the password was stolen. * Motor automatically open and close the door locking mechanism * enter the wrong password three times in succession, the automatic locking 15 minutes * zinc phosphate rust-proof, high-quality powder coating surface treatment, various colors to choose from. * Two passwords Design: Management code and client code. Management code for hotel managers. * Emergency door key configuration * Configurable handheld interrogator query and print 100 open records (HA, HB series)