a great value would buy again and would recommend engine tester directions are terrible but you can figure it out from the very light weight for small engines engine tester and its perfect for what it is not sure why people are not happy with the quality five stars perfect looks good on the truck im willing to pay 5bmore for a beefier frame and better polish on the side of the frame well made and sturdy cover not thin material that will crack three stars check local laws illegal in maine five stars junk larin mets engine testing station it is what it is the instructions were not easy to understand cheap unit normal chinese quality