It's completely my fault for expecting something for (almost) nothing, but this light barely qualifies. It's made of the kind of brittle, bargain basement, poorly finished plastic that breaks like chocolate when all you are doing is opening it as per the instructions. But I guarantee that if you manage to open the lens and fit the batteries without the light falling to pieces in your hands, the second you switch it on and witness the pathetic dim green glow that is supposed to let car drivers see you at night, the unit will either be heading straight back to Amazon as 'unfit for purpose', or heading to your bin. It's that! bad.