All the units in the One Point Four line start use 5.3 million Scoville Heat Units (SHU) OC pepper. This is one of the only true police strength pepper sprays on the market, and the original legacy formula that is carried by police, correctional officers and the United States military. Now the One Point Four has increased the heat, and this is becoming the most demanded product from Law Enforcement agencies nationwide. It's an oil based pepper spray (most pepper sprays are water) giving the spray greater distance and stronger effects on impact. It also includes invisible UV marking dye for suspect identification. Discharges up to 50 one-half second bursts. Cone fog pattern reaches over 20 feet. Pistol-Grip handle for easy ergonomic handling. Nonflammable taser safe.