Piaa 15660 H4 Style Platinum Super White 60/55=110/100-Watt Bulb Super white bulb for bright, efficient light to enhance headlight's performance 60/55=110/100 watt: provides 110 watts of light using only 60 watts of power high beams Designed for H4 Style Platinum headlights Made of high-quality heat-resistant tube PIAA has nearly 50 years of experience designing and manufacturing high quality bulbs and lights