1. Competitive Advantages: 1) Super quality: the best HID ballasts in China and the best xenon lamps with minimum lifetime of three years and 5 years correspondingly; 2). Passed Testation: Passed all of relevant environmental tests including E-mark (E4) and ISO 9001:2000 and also mechanica testing of Thermal and Humidity Cycling, Vibration, Shock, Water Jet, and Dust testing??3). Fast and economic delivery: we ship the goods with three days after payment received by the most economic and rapid method; a) Expert and comprehensive understanding of HID industry with 9 years?experience: we believe no one can more professional than us to know the HID products and the development trend; b) The last but also the most important: we are always customers first and regard them super position, and we are keen to the clients?accurate requirement; c) Certificate: ISO 9001:2000, E4, CE mark; d) Good warranty: One year of replacement. 2. Specifications: specially designed for all kinds of environment. the latest product in the world. The level of brightness can be adjusted using the controlboard which is installed in the cab. It has five levels which are suitable for different situations. The first level, is for city road use which has street light of strong brightness.The second level, is used for suburb road with street light. The third level, is for normal road use without street light. The fourth level, is for freeway use without street light.The fifth level, is suitable for off-road vehicle used as well as rainy and foggy days . You will be surprised by our new innovative HID product and the excellent lighting effects. We sincerely welcome you to come and experience the new way of HID lighting. The first worldwide style of adjustable light HID , low Interference , Less than 50 millivolt