21" BlackKnight Linear Warning Light Bar - BEST SELLER


21" BlackKnight Linear Super Bright Slim Warning Light Bar is an ultra-compact magnetic warning light that features 38pc of Super Bright New Generation LED with a magnified Linear optic lens. Its Slim and compact design allows it to be used for a variety of applications including tow truck lighting, construction vehicle lighting, snow plow, Landscaping, or any emergency service vehicles. This Light bar is very bright even in day time, drivers will be able to see you from a far distance and slow down to keep you safe while getting your job done. It comes with plug and play cigarette lighter plug for easy installation. This Light Bar Includes 4 strong Magnets for easy mounting and also can be permanent mount by removing the magnets.Brackets can be adjustable and slide to a different position.


Color:   Amber,    Amber & White,     Blue & Amber,    Blue & White

Red & White,    Blue,      Red,    Red & Amber,    Red & Blue   

( Choose the color at the bottom )


  • Powered by 12V
  • Linear Optics
  • 38pc of Generation III LEDs
  • 12 different flash patterns
  • Memory function recalls last flash pattern
  • Lifespan of up to 100,000 hours
  • LED Display panel included
  • Includes 16 feet of long cable
  • Weather-proof housing
  • Includes Magnets for easy mounting and also available for permanent mount by remove the magnets
  • Dimensions: 21" Length x 4.5" Width x 3" Height


Available Options: