KC's 7 in H4 Headlights are significantly brighter than factory Jeep headlights delivering maximum DOT approved candlepower using CAD designed multi-surface reflector optics and powerful 55-60W H4 Halogen bulbs. KC's headlights feature a relay system which allows the operation of high beam and low beam function for increased safety while meeting D.O.T. approved compliance.LED Source: CREE High Power LEDLED Source: CREE High Power LED High-Low beams as well as DRL functionality come installed in this KC projector headlight to greatly improve visibility and clarity over factory Jeep headlights.