Top critical review
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Beware! Fault developed after two years
on 4 February 2014
I bough the front and the rear boomer usb lights in Nov 2011. Only two years and three months later BOTH units developed a fault that stopped them working reliably. Both units appeared to have moisture in them, despite them being sealed units. I expected these lights to last much longer, I will now avoid Knog as these have failed just outside their two year warrantee.