... .You will see better air-conditioning,easier engine start,more fuel saving,more engine respond etc.And it is so universal that ... ,pick-up,trucks,compact car,luxury car,sport car etc.Surface Material:ABSRated Voltage:DC12VRated Power:0.5W On fuel saving, why CARNUMEN is used ... , they have a high success rate of ignition, and are fuel saving and environmental with enough power themselves. It is the reason ...