This is a great quality borescope. The articulating function works perfectly and while I never thought I would need that feature, it is surprisingly handy. I was worried about the camera alignment after reading some of the reviews, but I'm happy to report that my unit was properly aligned. We recently used it while doing some routine maintenance on my husbands truck and we discovered that it had a slight oil leak. It has more uses than just car maintenance though as we've also been having some issues without air ducts and my husband had the idea to run this borescope through the vent we've been having an issue with and discovered a blockage. This is a very handy, multi-use tool!
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