This system allows for a number of doors to be operated with the same key. It is most suitable for one-family houses, small family companies, villas.
The system is successfully used in security systems in combination with lock with two cylinders. One cylinder is for the entrance Master Key system, the other – for the Security System Master Key System, whose employees use a single access key.

Advantage: You have a single key for the entire building – helpful and convenient. In case of fire, earthquake, flood, etc. you can react and lives could be saved.