The door lock is the first security barrier of the home, and it is a device that is used almost every day in the family. Under the big...

All related academic journals, dissertations, and patent were collected, ordered, classified, and analysis in order to understand the...

While smart door locks do have some useful features, swapping your existing locks for smart ones certainly is a hassle. Smart Lock Box...

U-locks are very common in daily life and are widely used, such as shop glass doors, office glass doors, motorcycles, bicycles, electric...

With the continuous development of the global economy towards quality, the continuous promotion of industrial innovation and development....

With the rapid development of society, safety is a huge issue. Family safety is a very important part of our lives.Generally speaking,...