... 100WSPEAKER100WCOLORWHITE,RED/BLUE,RED/RED,BLUE/BLUE,AMBER/AMBER FOR SELECTINGWEIGHT13.5KGSIZE:LENGTH47.2'' X WIDTH11.8'' X ... ENCAPSULATED, FULLY WEATHERPROOF2, INCLUDE WIRE HARNESS FOR EASY INSTALLATION3, GUTTER BRACKETS INCLUDED FOR MOUNTING4, SELF CONTAINED INTERNAL FLASHERTHIS LIGHT BAR ... VERY EASY TO INSTALL AND COMES WITH MOUNTING HARDWARE FOR ROOF MOUNT. THERE IS NO NEED TO DRILL UNNECESSARY ...