Safety of others being close to his heart motivated Hans Wetzlar, Managing Director of IHRE SICHERHEIT Security Service in Bielefeld to start his security company ten years ago. Together with his team, he ensures, for example, that visitors to events and trade fairs can move around safely. Mobile “video guards”, using Dahua’s powerful video surveillance technology, are now contributing to this. The compact housing of the video monitor contains a great deal of technology.