The Smith & Wesson SWP-1251 .75 oz pepper spray with key cap is an ideal, portable self-defense companion that can be conveniently carried wherever you go. The SWP-1251 contains .75 ounces of spray and deemed more potent than tear gas. Smith & Wesson employs oleoresin capsicum (.15%), originating from the oils of peppers graded at 2 million Scoville heat units, as their active ingredient. Smith & Wesson's SWP-1251 has an effective range of up to ten feet and can immobilize potential assailants, striking their eyes, respiratory system and skin for up to thirty minutes. Glide the transparent cylinder with convenient, accompanying key ring to securely encase your Smith and Wesson SWP-1251 pepper spray.