Petards Group plc (Petards) supplies advanced security and surveillance systems. The Company operates in the development, supply and maintenance of technologies used in advanced security, surveillance and ruggedized electronic applications segment. It offers software driven on-board digital video and sensor systems for fitment to new build or retrofitted to existing rolling stock, and its applications include driver only operation, condition monitoring, saloon car closed circuit television (CCTV), drivers view cameras and automatic passenger counting systems. It offers electronic defensive countermeasure systems for fitment to rotary and fixed wing aircraft, threat simulation systems and mobile radios predominantly for the United Kingdom Ministry of Defense. It offers mobile speed enforcement and automatic number plate recognition (ANPR) systems to law enforcement agencies, and is sold under the Provida brand. It serves markets, including transport, defense and emergency services.