The SRTA16 Advisor board has 16 amber LED modules that include 32 different flash patterns with non-volatile memory, meaning it willremember the last flash pattern it was set at. The controller is super thin and very user friendly. The ADVISORboard is SAE Class 1and CA Title 13 cerftified. The SRTA16 series also comes with a 3 year manufacturer’s warranty. 12-24VDC Dimensions: 42.5″L x 16.2″H x 2.4″D 12VDC Max. current: 7.2A 24VDC Max. current: 4.1A 16-20 Amber LED modules 5-32 Flash patterns: left, right, center, warning, 4 corners Non-volatile memory recalls last pattern group Super-thin controller 18″ wire harness Indput wires (controller) Red-power, Black-ground, Yellow-sumc, Blue-ground switch 3 year warranty Certifications: SAE Class 1, CA Title 13