| 摘要 |
A HID searchlight module includes lamp head unit, a ballast unit and a battery unit respectively connected to one another in series by a respective screw joint. The lamp head unit has an end cap at the rear side that has two holes, two metal springs respectively mounted in the holes and respectively electrically connected to the contacts of the PC board in the lamp head unit, two metal conducting pins respectively supported on the metal springs, a front inner annular flange protruded from the front side at the center, a front outer annular flange protruded from the front side at the center and concentrically spaced around the front inner annular flange, and an annular coupling groove defined between the front outer annular flange and the front inner annular flange.
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