4 oz Pepper Spray- Police Strength OC-17 Magnum Mace Red Pepper Spray wth UV Dye. UV Identifying Dye to help identify your attacker. Safety Top. Each unit also includes UV dye for later identification of the perpetrator by law enforcement. The handy unit allows for one hand operation and can be used to provide multiple blasts up to 12 feet away. A suspect will be immediately affected with burning skin, coughing, watery eyes, runny nose, difficulty breathing but will have no permanent injuries. It is both non-toxic and non-flammable.