FLUX Bolt Emergency Vehicle LED Hideaway/Surface Mount Strobe Warning Light (Amber/Amber) Each unit contains 6 Philips 4 Watt Super bright high intensity LED bulbs. 18 flash patterns, sync-able between multiple units Completely Waterproofed, Strong fog penetrability, Dust-proof, and Corrosion resistant. Can be mounted almost anywhere, into a housing reflector, bumper, or onto a surface. Self-contained, external flasher not needed, easy operation; Black flange, rubber back piece, and Owner's Manual included. 5 Year Hassle-Free Warranty