This order 1 set lockerIf transportation is not allowed remove the battery Material zinc alloyBattery CR2032 3v Features 1 If you accidentally forget the password you can send the serial number of the fuselage to the seller Seller will provide the password for opening the lock Y2 Confused password function You can enter a string of Numbers before or after the correct password to confuse bystanders 3 Password error alarm Enter the wrong password four times in a row and the keyboard locks for 60 seconds setting off an alarm 4 Low battery power Take out the old battery insert the new battery and replace the battery without losing the password