Constructed of aluminum and designed for harsh environments, NVIS Gooseneck Map Light features MIL-DTL-D38999/20 connector and firm, 10 in., flexible gooseneck for flexible lighting placement. Various lighting colors are available as options to standard MIL-STD-3009 NVIS/NVG-compatible white led lighting (45 lm), which is produced using 20 NVIS/NVG LEDs. While product offers full 0%–100% dimming control, light output remains constant during any voltage swing from 18–34 Vdc.