I believe everyone has some valuable and private items that need to be stored, so many people have their own storage places such as safes, most of which are opened with keys or combination locks. However, keys can be lost, and there's always the chance you forget the code for your combination lock. Of course, you also need to prevent others from finding out the password. The most convenient and secure way would be fingerprint recognition. You no longer need to carry keys or remember passwords; you just need to use your own fingerprint. Nobody but you can open your safe, making it extremely secure. From now on, you don't have to worry about your valuables being stolen, and you can sleep soundly every night.