The RS, Road Sport, AKTIV is the latest technology in the Exposure Lights road range combined with the Road Specific Beam Pattern; once AKTiv is selected the light will sense on coming light sources and auto dim when a vehicle is approaching, no button or thinking required. Bevels on the edges of the light head allow side illumination and reversible graphics on the side 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.Which means you don’t have to switch focus from your effort on the road.In the Box: Strada MK10 RS AKTIV GMB, QR Handlebar Bracket, Wired Remote Switch, Fast Charger, USB Charge Cable, QS GuideSpecification:LEDs2 x White XPL2,IP RatingIP6,Max Lumens1200,Battery5,200 mAh Li-Ion,Runtime2 - 36 Hours,Charging Time6 Hours,Weight199g,MaterialAnodised 6063 Aluminium,Length102mm,Head Diameter49mm.