There are basically three types of HID lights. Mercury vapor (MV), metal halide (MH), and high pressure sodium (HPS). These lights also require a starter and a ballast.

• HID有三种基本款式，水银灯(MV)、金属卤素(复金属)灯(MH)、高压钠灯(HPS)，这些也都需要启动器和安定器。