The rugged and compact Pollalert allows replacement of unnecessarily large and bulky alarms currently used on light and medium duty trucks, dump trucks, motor homes, campers, electric fork lifts and other similar applications. 12-36 Volts, polarity protectedCurrent draw less than 0.1 ampsSolid state electronicsCertified conformance to S.A.E. J994, type CMeets State, Federal and U.S. Army Corps of Engineers' requirements4"W x 2.0"D x 2.5"HMade of High impact non corroding plasticCan be used on positive and negative ground vehiclesHorizontal or vertical mounting in protected areas.300" Dia. holes on 3.25" centersOperates in temperature ranges -40° F to 170° F