The Dorcy 4AA CUL Class Flashlight features high,low,and flash modes,as well as lightweight and compact construction. Its waterproof design,durable housing,high impact lens,high visibility yellow color,and non slip grip make it the perfect light for on the job use. Most importantly,this light is classified and certified for use in hazardous and/or explosive environments such as those containing gasoline,petroleum,naphtha,alcohol,acetone,lacquer,solvent vapors,or natural gas.(41-0091)