Rupse 24 LED 27" Hazard Emergency Warning Tow Traffic Advisor Flash Strobe Light Bar (Red) All vehicles / automobiles with a 12V power source LED Bar dimensions: 27" x 2.5" Cord length: Over 7 Feet to the power switch and mode selector Number of LED blocks: 6 Number of LED per block: 4 Brighter and more effective then standard LED strobe lights