Whelen M6 Series Two Lights Vertical Design Lightheads Screen Support Compact 400 Series lightheads are

Compact 400 Series lightheads are designed for ease of install and high-intensity light output

This NMO mount is an all brass permanent mount for a 3/4 in hole

Diameter: 7-3/16"(182mm)

12 Intensely Bright Super-LEDs

Prewired uni-directional microphone

Whelen M6 Series Two Lights Vertical Design Lightheads Screen Support Compact 400 Series lightheads areThe M6 Series Two Lights Vertical Design Lightheads from "Whelen Engineering" has two M6 lightheads and this unit is specifically designed for M6BTT, M6T, and M6BUW and can fit any M6 model. Features Fully encapsulated for moisture, vibration, and corrosion resistance Low power mode and seven Scan Lock flash patterns, including steady burn SAE Class 1 Certified. Synchronizable to other Whelen sync products Five year warranty Specifications Voltage: 12