OC Pepper causes eyes to slam shut and uncontrollable coughing and choking.CN Tear Gas causes profuse tearing, an intense burning sensation to the face and disorientation. UV DYE marks the assailant and may aid in identification once apprehended. Same size model used by law enforcement personnel. Features flip-top safety cap, finger-grip dispenser, belt clip and key chain. 18 gram unit sprays 8-12 feet. Contains 10 one second bursts.