... all of relevant environmental tests including CE, e4.Mechanical Testing: Passed Thermal and Humidity Cycling, Vibration, Shock, Water ... Jet, and Dust testing.Design: HID conversion kit is design for retrofitting HID ... and low power consumption2.Safety: HID ballast potting through advanced technology, high-density, waterproof, dustproof, shockproof,anti-collision.3 ...