The exposure strada mk5 bike light has been specifically designed for road use featuring a high and dipped beam mode that mimick a car headlight you can switch the mode just like you would when in your car when others are approaching the wide flat beam is excellent for peripheral vision while the high beam pushes forward lighting up the next corner with up to a 36 hour burntime this exposure bike light has you covered from commuting training and onto the most technical of alpine descents t