Maximum strength formula is backed by our in-house high performance liquid chromatography laboratory which guarantees maximum stopping power, eliminating the 30% failure rate experienced with other pepper spray brands (University of Utah study); plus UV marking dye aids in suspect identification. Impressive 10-foot (3 m) range; 25 bursts (up to 5x other brands) in a powerful stream delivery to reduce wind blowback; finger grip enhances aim and product retention while Quick Release Key Ring provides access to spray while keys are in ignition or lock. #1 pepper spray trusted by police and consumers worldwide. Including New York, Chicago PD, Los Angeles County Sheriff's & U.S. Marshals; made in the U.S.A. and ISO 9001:2008 certified with a 4-year shelf life from the date of manufacture.