The Etronic Anti-inti-Corrosion Module has proven effective in various climates and industrial environments all over the world. It passed the tests put to it by a Canadian Research Institute, the Quebec CRIQ and the American National Institute of Standards Technology. We guarantee it will protect your vehicle against environmental hazards such as; road salt, pollution, snow and ice. It iis safe, effective and true green environmental technology that fits in the palm of your hand. The moldule reduces static electricity effects like car-sickness and shocks while providing 24 hour protection. Best of all, it is virtually maintenance free.