Whelen PAR-46 Super-LED Combination Spotlight and Warning Light Red P46S2R from SWPS.com
NEW Unity Spotlight Bulb 100Watt | eBay
Chris retrofits a Unity spotlight with an SNSL3 PAR-46 Replacement LED 8° Spotlight - YouTube
LED PAR46 Unity Police Spotlight bulb for Ford Crown Victoria 1998-2011 Spot | eBay
Amazon.com: H5001 Led Headlight Par46 LED Light for Unity Spotlight, 5.75" 5-3/4" Round Led Pods for Truck Offroad Led Work Light Replacement Sealed Beam Projector 36W Chrome(2 Pcs) : Everything Else