LAMPHUS SolarBlast SBLH04 LED Strobe Grille Flashing Lights [22 Modes] [4 Watt] [TIR] [Weatherproof] Warning Lights for Police & Firefighter Emergency Vehicles - Amber/Blue User Manual available for download under Product Information Details Search "Lamphus 4W Light Head" on YouTube for Product Video. Super bright high intensity LED strobe light for day/night usage. 22 flash patterns, sync-able between multiple units; Waterproofed, can be mounted to almost anywhere. Self-contained, external flasher not needed, easy operation; Black flange included.; Search "LAMPHUS SolarBlast SBLH04 Mounting Accessories" on Amazon for Compatible Brackets.