San Francisco police officer Rich Lee vividly remembers the first time he tested the Rumbler in real traffic conditions. It was a day when the manufacturer, Federal Signal, was in town to show off the ...

Feniex's Hammer is a low frequency siren device made up of a 6-inch weather proof speaker and a custom 100 Watt amplifier– all housed within a sturdy fiberglass-reinforced nylon casing. By clicking ...