Shop Nilight 2PCS 70 Inch Emergency Strobe Light Strip with Controller 864 LED Red Blue Running Board Lights Flexible Side Flashing Warning Caution Safety Waterproof for Truck Construction Pickup in high quality, support 2-year warranty. There are 38 strobe patterns to choose from, including Flashing, Alternating Between Left and Right Side, etc. Our Running Board Strobe Light Strip comes with a multi-function control panel, which designed with LED display and some buttons, so you can see the flashing mode of the lights in real time through the display screen and choose other patterns you need. You can also set your frequently used modes by Pressing the FAVORITE button.