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SoundOff ESL461WC PAR46 LED Unity® Spot Light Insert
Unity EYE BEAM Spotlight Retrofit Upgrade - EB1000 from SWPS.com
Unity Police Spotlight LED Conversion Kit Bulb for 325-380 SO4 P71 Crown Vic | eBay
Whelen PAR-46 Super-LED Combination Spotlight and Warning Light Red P46S2R from SWPS.com