V-SEK 36" LED Emergency Vehicle Traffic Advisor Warning Strobe Directional Light Bar (YELLOW/WHITE) Package Includes: 1 x Traffic advisor strobe light bar with on/off switch and modes change button. User manuals is included. 13 Different modes/patterns of strobing/flashing with just a press of a button, Includes directional flash patterns. (Left, Right, and Center Out, and so on) .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