Delta 5 3/4" High-Beam and Low-Beam headlights are ECE certified with replaceable an H4 XENON bulb. Now with an COB LED HALO DRL to enhance your rides appearance and safety by becoming visible during day light hours. They are retrofit replacements for the H5001 and H5006 sealed beam units. They provide superb photometrics generated by lead crystal lens and four coating finish parabolic reflectors. NOTE: High Beams utilize only two prongs on H4 bulb. To adapt Delta’s 3-prong Hi Beam Headlight to factory two-wire harness use adapter #05-2000-16