TZ Ltd. operates as a smart lock technology company which engages in the provision of developing and licensing propriety technologies. It operates through its sole segment of development and commercialization of hardware and software products in the United States, Australia, and Asia markets. The firm's TZ SMArt Devices such as TZ CabLock, TZ BeamLock or TZ SMArtLatch can be used around the home for managing: Medicine cabinets and drawers, Hazardous cleaning chemical cabinets, Pool gates and Fences. The company was founded by Dickory Rudduck in 1986 and is headquartered in Sydney, Australia.