Abrams  T3-R Led Grille Emergency Vehicle Warning Strobe Lights (Red) Compliant with sae j595 nov08 class i (amber/blue/red/white) certification. 3, 3 watt 5th generation leds with great heat sink management for long life span. Built in flasher with 15+ selectable flash combinations, sync-able between multiple units. Completely waterproofed,sStrong fog penetrability and dust-proof and corrosion resistant 5 Year Hassle-Free Warranty - Lifetime Customer Support! Each unit consists of 3, 3W 5th Generation high intensity LEDs. First of its kind with driver built within the unit as opposed to being in-line. 15+ select-able flash combinations. Last pattern memory recall. Synchronization between multiple units and with other Abrams products such as Hideaway Lights &amp; Beacon. Easily replaces traditional strobe or halogen grill lights. Versatile application with surface mounting design and internal mounting within light assemblies. Weatherproof ready for exterior mounting (not submersible). Black flange included for surface mounting.