Light Bar, LED, 11″ Rectangular, Amber/Blue, Multi-Mount Color:  Amber/Blue Number of LEDS: 24 Flash Patterns:  10 Includes 15 FT accessory power plug with on/off and momentary flash pattern switch. Can be permanently or magnetically mounted. SAE J845 Class 1 rated. Voltage:  12-24VDC Wattage: 24W Commonly used on Snow Plow Truck, Work Truck and Trailers