V-SEK Auto Truck 18" LED Traffic Advisor/Advising Emergency Vehicle Directional Warning Strobe Light Bar (Yellow/Amber) Package Includes: 1 x Weather Proof Traffic advisor strobe light bar with on/off switch and modes change button. User manuals is included. 7 Different modes/patterns of strobing/flashing with just a press of a button, Includes directional flash patterns. Mode Memory Function is available Brighter and more effective than standard LED strobe lights, it is even visible during the daytime conditions 11 feet (3.5 m) extension cable for mounting on compact and large vehicles. Universal for all vehicle with a 12V power source