The Exposure link is great compact lighting solution for commuting cyclists, Easy to fit using helmet mounts the minimal design will provides you with front & rear protection & better all round visibility, night or day. The Exposure Link is a compact front & rear light set in one, ideal for commuting cyclist & bright enough for use day or night. An in built fuel gauge displays the battery power & burntime, while the optimised mode selector allows you to easily select from a concise number of programs to provide the optimum lighting for your ride. Easy to fit using the single helmet mount unit, & USB (Universal Serial Bus) rechargeable for charging on the move.