LED beacon,revolving light,rotating light,strobe light. Features: Using Gen III LEDs as light sources with high brightness; Power source: 3W LED; Superior optical lens design for excellent 360°visibility horizontally and wide view angle vertically; Aluminum pillar inside with good heat dissipation ensuring a stable electrical performance; Standard mounting sizes for a user friendly replacement; Colors are optional within red,blue and amber; Universal flash patterns factory-customizable according to customer requirement; Flash patterns are selectable by self-contained touching switch on the base. Dimension: 6.6"*5.0"