M4 Linear LED Lighthead

Click Here to See Whelen Flash Patterns

Not all flash patterns are available for all models. Brightness of light reduced for display purposes

5-1/2" Long X 3-3/8" H, Protrudes 1-3/8"

• FREE 5 Year Whelen Warranty!!
• Choose Black or Chrome Flange at bottom of page
• NEW Product ='s Faster and Easier Installation!!

The only Patented Linear-LED® lightheads with a bold look to the future in fire, ambulance and rescue truck emergency lighting. Designed to stand-up to the harsh environments and standards of the industry while providing top of the line performance!

Features of Whelen M4 Surface Mount Lighthead

• Surface mounted via two screws.
• Super-LEDs provide unmatched high intensity warning, low current consumption.
• Unique lens shape is completely illuminated with patented Linear-LED® designed reflector assembly, unlike older designs that may have “dead spots” or “hot spots”.
• Lens and reflector are a sealed assembly.
• Lighthead is designed with the mounting screws located outside of the sealed lens/reflector assembly, eliminating water infiltration.
• Replaceable light engine is accessed from the rear of the lens/reflector assembly.
• Built-on rear gasket insures that the lighthead and *optional* flange does not touch the vehicle’s surface, preventing contact.
• 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. Meets KKK 1822F, NFPA 1901, SAE and EC65 specifications. Many flash patterns meet California Title XIII.
• Whelen exclusive “NERM” (Non-Emergency Recognition Mode) is standard. Lightheads glow for instant emergency vehicle identification. Choose from five intensity levels to meet your exact needs.
• Hard coating on lenses resist scratches, chemical and corrosive damage.
• Available in Single or Split Colors.
• Optional Black or Chrome flange available at bottom of page.
• Other patents pending. 

Dimensions

• 5-1/2" Long X 3-3/8" H, Protrudes 1-3/8"

For flange options, click here.

For M4 options with Driving/warning lights, click here.