Buyers Products Post-Mounted 3 Inch LED Strobe Light Series features 19 flash patterns with alternating and synchronous functions. This durable light has a black powder-coated aluminum housing and stainless steel mounting stud. It's available in your choice of several solid or color combinations. Solid colors have a SAE J595 Class 1 rating for brightness and are CA13 certified. All lights are rated IP67 for water and dust resistance. Lights are backed with a 5 year warranty.