Milwaukee Twins High Output H4 90 / 100 Watt Headlight Bulb Milwaukee Twins High Output Headlight Bulb are easily the least expensive way to improve your nighttime visibility. The blue bulbs also add additional candlepower while also changing the color of light to a more visible whiter light. Features: 90/100 watt Dual filament Sold individually Note: High output bulbs can generate more heat. Use caution when installing in closed headlight assemblies.