Designs and manufactures smoke, heat, multisensor and carbon-monoxide detectors, manual call points and interfaces at its Havant plant, supplying fire alarm system houses worldwide. The Discovery, XP95 and Soteria ranges carry LPCB (Red Book) certification against BS EN 54-5, -7, -11 and -17, with BSI Kitemark and UKAS-accredited certification. Part of the Halma plc group.