36 Superbright LED's are visible over 1/2 Mile Lites Flash in a Continuous Running Pattern Hi-Viz Reflective Chevrons increase effectiveness 8 Magnets embedded in Vinyl allow for mounting to Steel Surfaces 8 Grommets allow for Rope or Bungee Cord attachment 8 Suction Cups included for mounting to Smooth Surfaces Requires 3 AA Alkaline Batteries Secondary On/Off Switch located on Battery Pack Extremely Weather Resistant - Not Waterproof