Check the listing for details. Gun Safe Lock Replacement Chrome Keypad Electronic Safe Lock Swing Bolt Lock. Color: Chrome, Condition: Open box. Listed at 43.96 USD. Gun Safe Lock Replacement Chrome Keypad Electronic Safe Lock With Swing Bolt INSTRUCTION MANUALPlease test the lock firstly for safe installation, please connect all the parts accordingly otherwise the lock will not work.The electronic lock can be set with 2 sets of passwords, management code and user code and the password length is fixed to 6 digits.Factory state: management password 1-2-3-4-5-6, no user code.HOW TO SET CODE：Press the red button and then release it; you will hear a beep. A yellow light on the panel and stay on for a period of time, you need to enter 0-0-0-0-0-0 to enter the password set code while the yellow light is illuminated, and there are indicator lights and sound reminders. (yellow light on) Enter the original 6-digit password:123456 (yellow and red lights are on at the same time when correct)If the original password is correct, continue to enter the new 6-digit password, repeat 2 times.UNLOCKING METHOD：If the number of consecutive wrong password input is greater than or equal to 3 times, the system will be locked for 5 minutes, TAfter 5 minutes, the system returned to normal. The number of errors will be cleared after entering the correct password to open the door.Enter 1-1-* (asterisk) to enter the user code setting.Enter the 6-digit user password and repeat the confirmation once.Enter 2-2-* (asterisk) to delete the user password.REMINDER: This lock operates one V9 ALKALINE battery and when the battery is at low voltage the red light is on to remind the user to replace the battery in time.