Dual Face Turn Signal Marker Light is a multi-functional LED light that is epoxy sealed for exterior use and is perfect for large truck applications. When mounted to the front fender, the dual face design can effectively warn motorists of the presence and movements of your vehicle. Light mounts with attached dual stud bolts and is designed for exterior use. This product meets or exceeds SAE J586, J588, J1395, J2261 (Red) & SAE J222 (Amber) certifications & has a 2 Year No Hassle Warranty included.