SoundOff ENT2B3R Light Uses nine Gen3 LEDs engineered with specially designed reflector for intense 180 degree output Mount to any surface or under the side mirrors for 180 degree "intersection" warning power Sold in single units. SoundOff Signal 5 Year No Hassle Warranty Intense 180 degree output is maximized by the specially designed reflector that amplifies and throws the light at a perfect angle. Innovative Intersector light offers a distinct safety advantage that no other light can offer.