1. HID xenon bulb problem canceller for Benz, BMW, AUDI, LEXUS, VOLVO,Porsche 2. HID Resistance wire 3. Waterproof,dusty proof Usage : 1.To use for light flashing casued by current problem special on Benz,BMW,AUDI,Lexus,Volvo,Porsche 2. To match with two xenon bulbs,two blalasts and necessary accessories and parts of xenon kit