Shopping Cart (0) Quotes (0) Express Ordering All Categories > Strobe - Warning Lights > Strobe Lights > The 500/550 Series > View Items All CategoriesAll Categories Strobe - Warning LightsStrobe - Warning Lights Strobe LightsStrobe Lights The 500/550 SeriesThe 500/550 Series View Items The 500/550 Series Email This Page Download PDF Download PDF Printable Page The 500/550 Series Strobe Lights Close Window The 500/550 series lights combine versatility with durability. Built to meet all your needs, with a shock resistant rubber base, fresnel lens, and encapsulated circuitry.