The TSS Easy Code Change Digital Lock has 14 buttons and can be programmed with a code length of 1-13 digits with 5000+ possible code combinations. The Easy Code Change feature offers a straightforward and quick solution to setting and changing the code. Simply use a flat head screwdriver on the reverse of the Digital Lock and turn the slotted buttons relating to the numbers you wish to be in the code so that the dot is facing outward. To remove the number from your code simply repeat the process in reverse so that the dot on the slotted button is pointing inward.