Street Glow Xenon White High-intensity Bulbs - XENON WHITE HIGH-INTENSITY BULBS Longer lasting, more efficient and 50% brighter than standard halogen! Produce brilliant white light that's more like natural sunlight (approaches the illumination of HID lights on most luxury cars) Illuminate better than halogen bulbs for improved visibility The latest advance in lighting! Unlike standard halogen bulbs that use a thermally inefficient low charge of bromine gas, these high-intensity bulbs utilize a high-pressure charge of xenon gas to increase the bulb's luminous flux by over 20%. The result: a white light that is dramatically brighter than the light produced by halogens of the same wattage. Outperform standard headlight and fog/driving bulbs for greater safety. Replace existing bulbs perfectly. Note: H4 bulbs can be used to replace 9003 bulbs. Sold in pairs. Applications: All Makes All Models