xprite 31.5" 28 led strobe emergency traffic advisor warning light bar 13 flashing patterns, suction cup mount for volunteer firefighter vehicles trucks jk suv atv cars - red & amber xprite <br><b>compatibility: </b><br> universal for all vehicle with a 12v power source<br> it can be used for interior front or rear windshield by xprite adjustable suction cups bracket (sold separately, asin: b01hujnyqk).<br> <br><b>specifications: </b><br> led bar dimensions: 31.5" ( width ) x 2.5" ( height )<br> cord length: over 6 feet to the power switch and mode selector<br> number of flashing modes: 13 <br> number of led blocks: 7 <br> number of led per block: 4 <br> <br><b>strobe modes: </b><br> this item includes 7 modes of flashing/strobe. each panel consists of 4 led. this strobe light unit consist of 7 panels for a total of 28 led. <br> mode 1: flashes between block panel 1 and block panel 2 <br> mode 2: flashes from both block panels at same time <br> mode 3: scan from right block panel to left block panel <br> mode 4: scan from left block panel to right block panel <br> mode 5: flashes between block panel 1 to block panel 2 a few times follow by flashing all block panels. <br> mode 6: all block panel are constant flashing <br> mode 7: all led are constan on. no flash <br> <br><b>package includes: </b><br> 1x traffic advisor strobe light bar <br> all necessary acc<br> instruction manual<br> <br><b>notice: </b><br> in most cases this installation will require you to drill holes. professional installation is strongly recommended. <br> 10ft extension cable wire sold separately, asin: b01hyio0is<br> extension wire cord and cigarette plug combo with last pattern memory recall function sold separately, asin: b01hyj111g<br> please compare the size of the bar to your installation location before order.<br> the light bar part is weather proof, it can be used under any conditions. but the kit will be short once wire and control box get wet.<br>