... :1)short circuit protection2)low/high voltage protection3)anti-electronic jamming4)waterproof and vibration proof5)CPU control7) ... , 881, D1S, D1C, D1R, D2S,D2C,D2RHigh halogen and low xenon bulbH4/L, H13/L, 9004/L, 9007/LHigh ... xenon and low halogen bulbH4/H, H13/H, 9004/H, 9007 ... contact Sunny now.You can buy HID ballast and bulb separatelyWe will do our best to support ...