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 Wearable, fibre optic rear light suitable for everyone Can be worn on most backpacks up to 35 litres Multiple focus points