High Quality Auto/Motor HID Kit 1. Easy installation 2. ISO9001:2008 3. ... protection, short circuit protection, over voltage and less voltage protection, bulb abnormity protection, waterproof, dust proof and anti-jamming; d) The ... extend the lifespan of bulbs and aging of wiring; g) Bulb Cover: crystal glass tube of UV-CAT anti-ultraviolet; h ...