1. First of all, the more fingerprint locks you unlock, the better. The more complicated the program, the easier it is to be cracked. So generally, we can use the fingerprint function, password function and credit card function.

2. The lock core also has true and false lock cores, and the real lock core is easier to guard against theft, that is, a thief can't open our door by prying the lock! But I bought a fake lock cylinder. If I pry it open, I may open the door!

3. Some fingerprint locks have the function of heaven and earth lock, which is really safer! However, what heaven and earth locks increase is the safety of preventing violent unlocking! Ordinary thieves don't violently unlock! Thieves have special skills to unlock! But now, if you live in the city, there are indeed a lot fewer thieves! Buying a fingerprint lock is sometimes mainly convenient. You don't have to take a key when you go out, just open the door!