Smart door lock refers to an improved lock that is more intelligent and simple in terms of user safety, identification, and management, which is different from traditional mechanical locks. The smart door lock is the executive part of the door lock in the access control system. Different from the traditional mechanical lock, the smart door lock is a safe, convenient and technologically advanced composite lock. Magnetic card, RF card (contactless, high security, plastic material, easy to carry, cheap) Proven technologies that use non-mechanical keys as user identification IDs, such as: Fingerprint lock, iris recognition access control (biometric recognition, high security, no loss or damage; but inconvenient configuration and high cost). TM card (contact type, high security, stainless steel material, extremely convenient to configure and carry, low price) Widely used in the following places: banks, government departments (pay attention to safety), hotels, school dormitories, residential quarters, villas, hotels (pay attention to convenient management). Appearance features: 1. Security: After installing the fingerprint lock, it should not affect the function of the anti-theft door. There are no obvious security risks inside the lock. 2. Stability: It is the most important indicator of fingerprint lock. Generally, it takes more than one year of actual use to gradually stabilize the shape. When consumers buy, it is best to choose a manufacturer that mainly produces fingerprint locks. Such enterprises generally have good production experience. The R&D experience is the best stabilizing factor. 3. Versatility: It should be suitable for most domestic anti-theft doors (in line with the 2008 version of the national standard for anti-theft doors), with a small amount of modification. A good fingerprint lock should take no more than 30 minutes to install. Otherwise, it is generally difficult for users to complete the installation and maintenance by themselves. Good universal design can also effectively reduce dealer inventory. 4. Intelligence: Add, delete and other operations should be very simple, users do not need to memorize too many passwords and codes. The high-performance fingerprint lock is also equipped with a video display system, which is convenient for users to operate. 5. Manufacturer’s brand: If you ask me which brand of fingerprint lock to choose, I can only say that the best is customer service, which is the key to choosing a fingerprint lock. Only when the manufacturer’s production quality is guaranteed, users can rest assured; only when the manufacturer has after-sales guarantee, can someone solve the problem in time (there is no product that is not bad, everyone should not think that what you buy cannot be broken); only the quality and after-sales service of the manufacturer There is a guarantee that the user will not be turned away because the door cannot be opened.