Introducing the Smart Padlock, a cutting-edge solution for securing your doors. This product is perfect for a variety of door types, including bi-fold doors, barn doors, security doors, accordion doors, and even garage doors. With a sleek black color, this item measures 2 inches in height and 1 inch in width. It is suitable for a range of home improvement and hardware projects. Get the peace of mind you deserve with the Smart Padlock. this smart padlock connects to an app on your android phone and can store up to 15 fingerprints that can unlock the lock.