Directional Warning For Any Fire or EMS Apparatus; These perimeter warning lights offer advanced dual reflector LED technology that delivers brighter and more focused output for superior visibility. The optional, multi-color and vertically-split lightheads provide maximum versatility to accommodate any application. Choose from single or a triple row of intense LEDs powered by PriZm II technology. Features include synchronization between multiple lightheads, easy install or retrofit as well as dimming and steady burn functions. Water resistant seals included.