The product is a set of 4x H4 Xenon 100w Super White Halogen Car Headlamp Bulbs, suitable for both high beam and low beam. These bulbs provide a cold white light with a spotlight beam angle, making them ideal for use as main high, dipped, and low beam headlights. They are CANbus compatible and come with a guarantee of 12 months. The bulbs are designed for use on the front of vehicles and are xenon technology, providing a bright and efficient light output. Additionally, they are specifically designed to fit the H4 bulb type and are compatible with various car models.