LIWIN CHINA AC slim ballast Advantage: Advantage: 1 Adopt high-power digital CUP programming controller, integrated better stable analog circuit and the top quality electronic parts, supply performance work.2 Adopt the professional ASIC programming controller which is the same type as HELLA, with the top quality electronic parts, to be the best quality.3 Raw Material: Were imported from Germany and USA , MIRCROCHIP CPU  MICROCHIP IR,ON-LM,ST-STP. 4 Adopt multi-integrated circuit, the failure rate was decreased to the least.(0.1%) 5 More constant power supply, match the common quality bulbs better. 6 No impact start-up, the lowest electromagnetic interference. Fit for more cars. 7 Higher output power and power efficiency, make the lamp brighter and save more power. 8 The pure aluminum shell, the best heat dissipation performance supporting work in the high or low temperature. 9 The widest input voltage range, apply to install the bus and the cars. 10 Good insulated, waterproof and quakeproof performance. 11 Had passed the ISO9002 quality system, the CE, E-MARK, ROHS, Dot  other relevant certification. The best choice for the top configuration. Liwin Electronic Technology Co., LTD www.liwin-china.com