Different from mechanical lock safes, digital safes have many advantages such as convenient password input, convenient opening and use, coexistence of multiple opening methods, intelligent functions, and the ability to change passwords at any time. Therefore, they are widely used in homes, corporate offices, hotels, etc. According to its input method, it can be divided into: password input type, magnetic card input type, fingerprint input type, remote control input type, etc.; the password input type needs to be reminded here, if you set the password, you must set the number of digits long, and the number repetition rate is low. This kind of password has high security and is not easy to be cracked; while the number of digits is short, and a simple password is easy for people to see through and easily break through the defense of the safe.