Philips H7 X-tremeVision Upgrade Headlight Bulb with up to 100% More Vision, 1 Pack Get up to 100% more vision on the road compared to a standard minimum legal requirements in low beam headlamp test results Choose Philips X-tremeVision headlights for maximum light output and ultimate performance Excellent for nighttime drivers and when often driving in rural areas or dimly lit streets Original equipment quality seal for the most reliable performance Always replace in pairs to ensure a symmetric light beam from both bulbs on the road. Headlights dim over time. Headlight bulbs by Philips, for over 100 years we have been continuously innovating automotive lighting When installing a new bulb, never touch the glass. Either use gloves or paper towel when handling.