“This is a good product which saves the hassle of queuing at the petrol station to inflate the tyres. It also works on bicycles and has a fitting for footballs etc. Previously I had the earlier model (RAC600)which after several years stopped working. What I did not know was that the original model contains a 10 amp fuse. I found out where to locate it from the instructions accompanying the 450 model - and have now fixed the old one by replacing its fuse. It is a shame that no trouble-shooting info accompanied the original compressor! I now have one Ring compressor surplus to requirements!”