Hawk 6 Linear 3 Watt Traffic Advisor Gen4 3W leds Linear/ Powered by 12V DC 2" Bracket with suction cups/ Push button for pattern selection on cigarette plug/ ON/OFF switch on cigarette plug Features more than 15 flash patterns/ Built in waterproof driver/ Aluminum frame 3 year manufactures defect warranty Size : 29inW x 2inL x 1.5inH -2 Patents Pending