UPGRADE -- Diecast Aluminum Housing & Ultra-thin design.12 LED as light source,offers a super bright light output,can be seen on a bright clear day. HIGH PERFORMANCE -- Integrated heatsink, and anti-condensation drain port, Waterproof and dust-proof and corrosion resistant. 18 STROBE PATTERNS -- Built in flasher, 18 select-able flashing patterns; Last pattern recall/memory function. UNIVERSAL 12V-24V -- fits for any public utility vehicles, construction vehicles, tow trucks, snow plows, Emergency medical vehicles, ambulances, oversize load vehicles, slow vehicles EASY TO INSTALL -- 3 wires connection; Free Screws &Protection Pad to Attach to The Grille or Bumper.
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