What is the basic literacy of Luke's smart lock to polish a door lock?

Exhibition form: Ministry of Public Security certification certificate, safety patent certificate, national standards and other evidence, with the text: 1000 yuan to enjoy the bank-level security experience. The lock core is inserted into the lock body with the design of straight plug, and the safety of the lock core has reached the highest level C in the door lock industry (anti-breaking ability: level C >; Class b > class a), certified by the inspection and testing center of the Ministry of public security, has strong breakage resistance and high safety factor.