High-performance M4 lighthead with Linear Super-LED® output and DVI™ light patterns, ideal for emergency and commercial vehicles.

Built with Whelen’s patented Linear-LED® optics and reflector assembly, the M4 provides high-intensity warning while drawing minimal current, making it a top choice for law enforcement, fire, EMS, and …

The M4 lighthead features a compact rectangular design that packs a powerful punch, delivering high-intensity illumination ideal for fire, EMS, law enforcement, and commercial vehicles.

Jul 8, 2022 · Whelen, M4, Warning Light, Linear LED, Flush Surface Mount Light Head, Built in Flasher, Split Color, Side-by-Side, Red/White, Clear Lens, 64 Flash Patterns, Part# M4D

With a unique lens shape and patented Linear-LEDr designed reflector assembly, Whelen M Series lightheads are completely illuminated for unmatched high intensity warning and low current …

The Whelen M4 Perimeter Mount is a compact yet powerful lighthead designed for fire, EMS, law enforcement, and commercial vehicles. Its rectangular design allows for high-intensity illumination, …

Updated design allows for faster and easier installation. M4 lightheads have multiple Scan-Lock™ flash patterns available. Choose from Solid, Left/Right, Top/Bottom, In/Out, or Diagonal sequencing. …

Whelen's M4 bright white driving light with red or blue, or red over blue warning capability.

Compact lighthead featuring Linear Super-LED® technology, offering versatile mounting and durable performance for emergency and utility vehicle applications.

Combination Driving/Warning Light, Red Warning with Scan-Lock™ Flash Patterns, Clear Outer Lens With a unique lens shape and patented Linear-LED® designed reflector assembly, M Series …