This is a super restoration of real life password lock. He can help you encrypt the safe and the door. The size of the circuit is very small. It is made entirely of red stone. Entering a password is like dialing a phone number. You can move this machine to your villa, and its circuit is buried underground. So it won't take up too much ground space.Introduction to analog electric code lock:1、Up to 6 passwords can be stored [can be expanded, in theory, 100 passwords are OK]2、Passwords are stored in strict order.3、Root the same password input keyboard in real life. It's like making a phone call4、The volume is very, very small, and all of them are made of red stone. Command box not used5、Very exquisite bell operation prompt tone6、The circuit is very beautifulFunction instructions:1、Numeric keys represent password input2、【*】express1.If you enter the wrong password, you can re-enter it.2.、Confirm when changing the password.3.Close the piston door. [In the process of changing the password, if the password has not been entered 6 times, please do not click *, which will result in an error]3、【#】express1.The password can be modified after the door is opened and the password is entered correctly2.The incorrect password can be changed again.