The 8Pcs Sync Feature Ultra Slim 12-LED Surface Mount Flashing Strobe Lights by ASPL are designed for use in cars and trucks. They come in a rectangular shape with a waterproof feature, making them suitable for outdoor use. These amber/white lights have a multi-setting flash character and operate on battery power. The package includes 8 lights with dimensions of 10.67 x 4.25 x 2.64 inches, featuring a total wattage of 12 watts. Ideal for specific uses like strobe lights, these caution lights have a plastic lens and are easy to install without any assembly required.