High Wattage Front Grille 16 LED Emergency Strobe Lights - White Includes: 4 x Strobe light blocks, 1x Switch, 1 x Module, No installation instructions Fitment: Universal for all vehicle with a 12V power source Block Dimensions: Width: 3.75" / Height: 1.20" / Depth: 0.75" / LED PER BLOCK: 4 Flash Pattern- Flashes 2 block several times and move to next block. After 3 cycles it will flash all the lights several times and repeat Generation 3 LED are high wattage and provide a much brighter light and visible during daytime conditions.