VEVOR Keyless Entry Door Lock with Handle Set, Electronic Keypad Deadbolt with Lever Handles, Pioneering Easy-Grip Design, Customizable User Codes, Keyed Entry, Auto Lock, Anti-Peeking, Matte Black
To remove the key cylinder (tumbler), first remove the lock from the door and take off the interior assembly by removing the mounting screws.
if this answer does not resolve the current issue, please contact us again for assistance.