The SB, Super Bright, AKTiv is the latest technology in Exposure Lights Road range combined with the Road Specific Beam Pattern and an upgraded 1600 lumens is the best road light; once AKTiv is selected the light will sense oncoming light sources and auto dim when a vehicle is approaching, no button or thinking required. Also with the specific bevels to allow side illumination, and reversible graphics to remind you that the Strada can be mounted either way up. There is also a remote switch included which allows the rider to take control if required.