Locks for entrance doors

For entrance doors

— the main security element designed to protect premises from unauthorized access. They are installed on the doors of apartments, houses, offices, and other facilities where reliability and resistance to burglary are important. Depending on the design and principle of operation, locks can be cylinder, lever, electronic, or smart models. When choosing a lock, it is important to consider the door material, the required level of protection, and operating conditions. To enhance security, two different types of locks are often installed simultaneously.