Arrowbars are installed on the vehicle's roof, exist in 8 or 10 lights (Premier Hazard model), 8 lights and 2 arrows (Code 3 model) - or 10 lights (Federal Signal model).  All arrowbars are delivered with a controller.

The arrowbars can be incorparated in a lightbar :

Examples :

 Premier Hazard :
 
 

Code 3 :
 
 
Sirac - Federal Signal :
 
 

Introduce yourself here