<ul><li><span style="font-family: inherit;">Housing is die-cast aluminum, heavy duty, structurally rigid and vibration resistant. Housing is finished charcoal gray using polyester powder coat. Other optional finishes are available.</span></li><li><span style="font-family: inherit;">Lens Door Assembly is minimum 1/8” thick tempered glass lens, thermal and impact resistant, sealed with doorframe and housing using extruded, memory retentive silicone gasket. The doorframe is die-cast aluminum.</span></li><li><span style="font-family: inherit;">Heatsink is black anodized made of thick aluminum with maximum contact with die die-cast housing for efficient heat dissipation and cooler operation for the LED Module for the long life operation.</span></li><li><span style="font-family: inherit;">Base housing is die-cast aluminum. It is an enclosure for the electrical components. Housing/lens door assembly is separated by a shaft.&nbsp;</span></li></ul><br style="font-family: inherit;"><br style="font-family: inherit;"><b style="font-family: inherit;">Optical system&nbsp;</b><br style="font-family: inherit;"><br style="font-family: inherit;"><span style="font-family: inherit;"></span><span style="font-family: inherit;"><ul><li><span style="font-family: inherit;">Optical systemis designed to use with North Star SSLTM AlphaLEDTM modules at 90% optical efficiency.
</span></li><li><span style="font-family: inherit;">ALXPG12 module (White or Single Color): Narrow spot 11° beam (N11) or medium flood with 26. beam (M26) or wide 46° beam (W46) or elliptical 38 x 21 horizontal beam (EH) or elliptical 21 x 38 horizontal beam (EV).
</span></li><li><span style="font-family: inherit;">ALXPE24 module (Color Mixing): Narrow spot 16° beam (N16) or medium flood with 24° beam (M24) or wide 40° beam (W40) or elliptical 48 x 18 horizontal beam (EH) or elliptical 18 x 48 horizontal beam (EV).</span></li></ul></span><br><span style="font-family: inherit;"></span><br><span style="font-family: inherit;"></span><br><span style="font-family: inherit;"></span><br><span style="font-family: inherit;"></span><br>