Vktech&reg; 16 LED 18 Flashing Modes Car Truck Emergency Flash Dash Strobe Light Lamp (Yellow W) 18 different modes of flashing/strobe/blinking and speed of the strobes Super Bright 16 LEDs Strobe Light High Brightness: 10000-12000MCD Dimensions: 21.5x8x4.5cm Used in nearly any application, including under cabinet, RV, boat and landscaping lights.