The UV LEDs render {HEAD ~ the indicia} clearly visible under {TAIL ~ low lighting conditions} or in the dark 
The UV LEDs render { HEAD ~ the indicia } clearly visible under { TAIL ~ low lighting conditions } or in the dark
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH