Compatibility: Please compare the size of the bar to your installation location Specifications: LED Bar dimensions: 18" x 2.5" Cord length: Over 7 Feet to the power switch and mode selector Number of LED blocks: 4 Number of modes: 7 Number of LED per block: 4 Flash Modes: This item includes seven modes modes of flashing/strobe.Each panel consist of 4 LED. This Strobe light unit consist of 4 panels for a total of 16 LED Mode 1: Flashes between block panel 1 and block panel 2 Mode 2: Flashes from both block panels at same time Mode 3: Scan from right block panel to left block panel Mode 4: Scan from left block panel to right block panel mode 5: Flashes between block panel 1 to block panel 2 a few times follow by flashing all block panels. Mode 6: All block panel are constant flashing Mode 7: All LED are constan on. No flash Package includes: 1x Traffic Advisor Strobe Light Bar Installation screws and Nuts