Byrna Technologies Inc., a non-lethal defense technology company, provides non-lethal alternative solutions for law enforcement and private security. The company offers handheld personal security devices and shoulder-fired launchers without the need for background check or firearm license; and projectiles including chemical irritant, kinetic, and inert rounds. It offers self-defense aerosol products under the Byran Bad Guy Repellent brand; and accessories and related safety products, which includes carbon dioxide canisters, sighting systems, and holster under the Byran Banshee and Byran Shield brand, as well as Byrna-branded apparel. In addition, the company provides the products to the consumer market through Byrna e-commerce store and Amazon storefront, and network of local, regional and national outdoor and sporting goods stores, either directly or through distributors; and professional security market through Train the Trainer program and de-escalation methods. It operates in the United States, South Africa, Europe, South America, Asia, and Canada. The company was formerly known as Security Devices International, Inc. and changed its name to Byrna Technologies Inc. in March 2020. Byrna Technologies Inc. was incorporated in 2005 and is headquartered in Andover, Massachusetts.