LDS Laser Detect Systems develops standoff trace detection technology. Its products rely on advanced laser spectrometry to detect a variety of materials with distinct spectral signatures, thus eliminating the need for sampling. LDS commercial products offer patented, real-time solutions for homeland security, law enforcement, military functions, and environmental safety. Its systems can detect explosives, PETN, and narcotics, as well as other chemical and biological substances and hazardous materials. The laser-based detection works on powder, bulk, and liquid substances. The company operates a subsidiary, Laser Detect Systems LLC, in New Jersey, United States.