The Illumi-Grille provides Officers, Firefighters and Emergency Repsonders wtih full intersection coverage, scene and flood lighting combined with Wig Wag flashing functions. Manufactured for the grille of a Chevy Tahoe and laser measured for an OEM seamless fit. Easy to install and delivers full intersection coverage without having to cut any holes in the sides of the vehicle. Includes four Whelen ION or ION V-Series lightheads along with four Whelen Nano Pioneer scene lights