Paladin Limited, an investment holding company, engages in the property investment, and research and development of high technology system and applications in Hong Kong, Finland, and internationally. The company operates through two segments: Property investment and Research and development. The company invests in and leases properties. It also engages in the development of battery-operated portable x-ray imaging systems used in inspection devices for security and counter-intelligence applications in the areas of baggage scanning, border control and customs, detection of explosive devices, forensic investigation, and security at large scale sporting and other events. In addition, the company develops technology applications, including imaging, surveillance, navigation, and semiconductor processing. Further, it manufactures and sells algorithm and software solutions, image sensors, and provides autonomous mobile robotic solutions and related services. The company was formerly known as Paladin International Limited. Paladin Limited was incorporated in 1988 and is based in Wan Chai, Hong Kong.