Whelen FST/2250 DUO Core Package Rechargeable Built with six ultra-bright Next

Built with six ultra-bright Next Generation 3-Watt E6 Series LEDs housed in a sealed ABS extrusion

6A Max LumenX® - 9 LEDs per lamp View PDF 02

The low-frequency emergency vehicle siren senses the primary siren tone signal and reduces the signal’s frequency by 75%

200% Brighter Than Halogen Bulb

Available in Amber

Whelen FST/2250 DUO Core Package Rechargeable Built with six ultra-bright Next*This is a Made to Order item and has an extended lead time. Please call us before ordering if you are under a time constraint. The newly designed, low profile Inner Edge FST Series better utilizes vehicle contours, providing higher visibility and a custom fit. Whelen's all new patent pending 100% silicone internal optics increase clarity and have the power to punch through tints. The Inner Edge Series is available with SOLO, DUO, or TRIO technology.