The Oxford Commuter X4 is a revolution in wearable lighting. Its unique design means the user can be seen clearly from various viewing angles, whilst the distinctive fibre optic straps also improve spatial awareness; helping other road users judge your speed and distance more accurately. Features: Wearable, fibre optic rear light suitable for everyone Can be worn on most backpacks up to 35 litres Multiple focus points The fibre optics create a side profile at junctions and Helps HGV drivers see you more clearly from above Central projective light provides 30 or 70 lumens with multiple flash and fade settings