Byrna Technologies Inc, formerly Security Devices International, Inc. (SDI), is a less-lethal defense technology company. The Company is specialized in the development, manufacturing and sale of next generation less-lethal ammunition. This ammunition is used by the military, correctional services and police agencies for crowd control. The Company’s product line includes 40 millimeter (mm) less-lethal projectiles and the Byrna line of personal security devices. It also sells accessories and third-party products with its Byrna line of personal security devices, and projectiles to be used with the launchers. The Company's segments include the U.S.A., South Africa (SA) and Canada. In the United States and in Canada, the Company sells products through its online stores and through dealer relationships. In South Africa, the Company sells the Byrna HD and related products through an authorized manufacturer’s distributor.