ABLOY® PROTEC CLIQ cylinder contains mechanical cylinder structure of unique ABLOY® PROTEC construction with nine discs. In addition the cylinder contains ABLOY® PROTEC CLIQ cylinder electronics which controls electronic blocking system. This electronically controlled cylinder blocking is realized by using a small electric motor to guide the turning of one detainer disc. Cylinder has no electric power. This means no need of wires or battery change to the cylinders.