Unlikehalogens, an LED will not illuminate the reflector surface evenly. This has two consequences: Firstly, by shining light only at the reflector’s sides, there’s likely to be blank, hollow, or hot spots in the light beam. Secondly, by failing to illuminate the upper portion of the reflector, the headlight will have reduced distance RoadLegal: Yes: Technology: Halogen: Lumens: 1650/1000: Range: Night Breaker Unlimited: Base: P43t: SKU: You obviously cant compare them to LED bulbs but they are nice enough to fool one into thinking they are. The standard Osram H4 bulbs that came with my newly purchased Mazda BT50 was very poor and it also could be a design AUTOONEUpgraded H4 LED Bulbs Mini Size Super Bright, 500% Brighter 6000K White 9003 HB2 LED Bulbs Replacement Powersports H4 Light, Canbus Ready Direct Fit, Pack of 2 Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and AMRgPzh.