Working as a private investigator or as a non-uniformed law enforcement agent often requires the use of detective equipment. The equipment type varies in type from a pen and paper (literally) to a concealed microphone (bug).
Wouldn't you like to give an assailant or attacker a nice little jolt? Do you work as a professional security guard and need to equip yourself with something that has the stopping power of a firearm but isn't lethal? Then a Taser® M26 or Taser® M26-C with a Taser® M26 Holster sounds like the self defense weapon you need.
Although nothing can say "I love you" like a bouquet of flowers, nothing can say "GET AWAY FROM ME" like pepper spray for defense. This has become a universal tool for self defense around the world and is used by many law enforcement agencies as well as the U.S. Department of Defense.