LED beacon,revolving light,emergency vehicle light,police light Used for police car,cop car,fire fighting,ambulance EMS,wrecker,project car, sprinkler,patrol car,emergency vehicle Features: Using Gen III LEDs as light sources with high brightness; Power source: 1W 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: 6.5"*2.7"