MULTIFUNCTIONS - The 20 inch LED chasing light is a combination of signal light and strobe warning light, multi-purpose with just one light. Total 9 Warning Light Modes: 8 strobe and 1 solid. Block#1 & #5 are red left/right turn signals; Block#2 & #4 are blue brake lights; Block#3 is yellow reverse lights or work lights for area lighting. The LED chase light powered by 18PCS super-bright LEDs, emit 5 groups of dazzling light, which make sure you are seen even in low-visibility conditions easily, ensure your driving safety. DURABLE - The chase LED lights is designed to handle the harshest offroad environments. It has IP68 Waterproof rating and dust-proof.