5 oz Pepper Spray- Police Strength OC-17 Magnum Pepper Spray wth UV Dye- WITH FLIP TOP. UV Identifying Dye to help identify your attacker. Flip Top. Police Magnum OC-17 Pepper Spray offers the most powerful concentration of pepper spray allowed by law. This is the same spray used by police officers. 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.