The product is a pack of 10 Philips 921CP back up light bulbs, featuring a cold white light color and a 1-year manufacturer warranty. These light bulbs are designed for commercial use and are dot approved, ensuring quality and reliability. With a voltage of 12V, these light bulbs are suitable for various vehicles and provide a clear and bright light for added safety on the road. Perfect for those in need of high-quality replacement light bulbs for their commercial vehicle.