Nex 240 LEDs Strobe Lights Christmas Gift Amber and White Emergency Lights Hazard Warning Mini Strobe Flash Light Bar Roof Top with 7 Flash Patterns Magnetic Base (Yellow and White) Color: White & Yellow(Amber) Up to 30,000 hrs life expectancy Changes mode with a press of a button Magnetic base that can be put onto any rooftop Redesigned LED that required less LED to product a brighter lighting