on the top off the light theres a white coloured adjuster with a phillips screw/allen key socket,this adjusts the beam up or down and at the side nearest the inner wing theres one which moves the lens left and right,these must be for fimer adjustment,anyway got it bakc today and they're ordered a new gas discharge unit,they say this is faulty and will bereplaced under warranty,part should be with them by weds nex week.