This is a super bright red LED with red polycarbonate lens.  Expoxy coated, fully sealed electronics with a 1157 plug attached.  Energy efficient solid-state circuit board engineered for 12 VDC systems.  You might need a no load flasher if you have a slow or fast flash issue.  They are 90652 for 2-terminal and 90651 for 3 terminal.  These lights come with a manufacturer's lifetime warranty.