Specialized Vehicles: fire engine, police car, rescue vehicle, communication vehicle, military command vehicle etc. Our solidly-built durable and adjustable aluminum housings makes changing direct ly of light beam easily, Oversize heat sink fins for best heat elimination,very Convenient flush mount plate to mount LED pod light on any flat surface, Efficient cooling and high-quality outward radial Heat sink face which keep the temperature down and effectively extend the lifespan over 50,000 hours.