Lifeloc Technologies, Inc. is a manufacturer of evidential breath alcohol testers and related training and supplies for the workplace, law enforcement, corrections and international customers. It designs, produces and sells fuel-cell-based breath alcohol testing equipment. It operates through two segments: Products and Rentals. The Products segment is engaged in the sale of physical products, including portable hand-held breathalyzers and related accessories, supplies, education, training, and royalties from development contracts with original equipment manufacturers (OEMs). The Rentals segment is engaged in the rental of a portion of its building. In addition, the Company offers a line of supplies, accessories, services, and training to support customers' alcohol testing programs. It sells globally through distributors as well as directly to users. It sells certain of its components to customers for incorporation into their own product lines and for resale under their own name.