ECE approved. Left & Right set. Precision CNC machined billet aluminum housing. Super small LED taillight; brake light and turn signal in one. Very small and hard to see; the lens is smaller than a euro-cent; until activated! Then they will impress you with furious brightness and laser-like luminosity so you will never fear being overlooked in traffic. Can be installed directly on the fender struts without requiring adapters. Alternatively perfect to install on any flat surface you can imagine. Note: A HeinzBikes load equalizer (turn signal flasher frequency sensor) is available as 706793 and required for all earlier non CAN-bus H-D models (pre-2011 Softail; Pre-2012 Dyna; pre-2014 Touring and pre-2014 XL models that upgrade from incandescent light bulbs to LED turn signals to correct blink frequency.