The Ecco 4.9" x 6.5" 6400 Series Vacuum Mount Beacon Light is the perfect choice for a wide range of applications where a high-intensity SAE class I light is required. This beacon light features 12-24VDC operation and 11 flash patterns to produce an attention-getting warning signal. With its amber colored lens, this beacon light ensures maximum visibility. It is designed to be easily mounted with its vacuum mount feature. FleetPride is your First Click in Heavy Duty®.