Solaris® LED reflector technology for better optical efficiency and superior off-axis warning SpectraLux® multicolor LED technology in combinations of Amber, Blue, Green, Red, and White Incorporates FSLink® shared flash pattern set which provides the ability to synchronize with other FSLink products XStream models can be set to a steady burn pattern, and then programmed to synchronize with other FSJoin products FSJoin™ enables the synchronization of functions, operation, and flash patterns across multiple warning devices and multiple vehicles Each light head includes three colors with (6) LEDs of each color [(18) LEDs total)] Low-profile design Available in single- or dual-head models Black polycarbonate housing Each model features two recessed buttons, one to change flash pattern and other for color mode (25) Flash patterns including random and steady; (10) color modes Versatile mounting brackets and three different length snap-on flash guards included Choice of accessory plug or wired models Accessory plug models include two switches for on/off and steady-burn Approvals SAE J845 Class 1 SAE J595 Class 1 CCR Title 13