Fox Labs 5,300,000 SHU UV Marking 3 Ounce Flip-Top Safety Cap Pepper Spray Stream Police strength world's hottest 5.3 million SHU (Scoville Heat Units) pepper spray with UV dye Used worldwide by police officers, law enforcement agencies, security guards, and military agencies 3 oz canister fires 36 half-second bursts of a heavy pepper stream pattern between 17 to 20 feet Spring loaded flip-top safety cap protects against accidental discharge of non-flammable formula Measures 6" tall by 1 1/2" diameter and has a 3 year shelf life from manufacture date stamp on can