The Bosch division Building Technologies is a leading global supplier of security, safety, and communications products and systems. In selected countries Bosch offers solutions and services for building security, energy efficiency and building automation. About 9,000 associates generated sales of roughly 1.9 billion euros in 2017. The product portfolio includes video surveillance, intrusion detection, fire detection and voice evacuation systems as well as access control and management systems. Professional audio and conference systems for communication of voice, sound and music complete the range.