Whelen Dominator 2 TIR3 Super LED 30.2104 The Rumbler siren system works

The Rumbler siren system works in conjunction with Federal Signal sirens that feature integrated Rumbler Traffic Clearing capability

ARGLB1 - Lightbar Mounting Bracket for Legacy®

That was a promo in 2012

Alleys and Dual Color Modules with the below:

3 axis accelerometer sensor

Whelen Dominator 2 TIR3 Super LED 30.2104 The Rumbler siren system works*This is a Made to Order item. Small size and fully encapsulated and waterproof design make the Dominator the versatile answer to all your secondary warning and signalling needs. Features: Incredibly bright TIR3 Super LED modules Two light flashing models Internal self contained electronics Low profile aluminum extrusion Molex waterproof connectors Seven Scan Lock flash patterns and a steady on mode Small diameter 4 or 6 conductor #20 AWG wires Self