brand new and high quality Features:Made of high-quality aluminum and ABS plastic materials, high-performance, ultra-thin waterproof design, able to adapt to all kinds of bad weather.Super bright LED, life span is 50,000 hours, wide angle of visibility and high-intensity strobe, excellent visual effects.Widely used, suitable for 12-24V all car, off-road vehicles, trucks, pickup truck, motorcycles, etc.Two lighting modes: constant light mode and strobe mode. Red cable is connected to the positive, black cable is connected to the negative, yellow cable connection negative change flashing mode.(When the yellow line touches the red line, the mode will be changed. When the yellow line is released, the mode will be fixed.)High intensity flashing makes your driving safe and prevents traffic accidents. Specifications:Materials: ABS plastic + aluminum Chip model: 3030-1WNumber of chips: 24pcsVoltage: 9-40VPower: 72WLifespan: 50000 hoursOptional Colors: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11Size: app.19x2.8cm/7.48x1.10inQuantity: 1pc Note:Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes:1 x Emergency Strobe Lights Bar(other accessories demo in the picture is not included.)