In order to give you, our customers, the confidence you have wanted in a grain mill, we at The WonderMill Company have GONE THE EXTRA MILE to make sure that our mill passes The World's most demanding electronic testing and Certification Standards - UL (for USA), CSA (for Canada), and CE (for Europe & the UK The WonderMill Wheat Grinder is the ONLY mill that has passed the stringent testing required to be certified by UL, CSA, and CE. Some grain mills on the market have not been able to pass any of these. In many countries this is EXTREMELY IMPORTANT. Because in these countries if a customer purchases products without the certifications the customer assumes all liabilities. You our customers can have peace of mind with these CERTIFICATIONS that you won't have any problems as you use the WonderMill. A lifetime warranty is included with every WonderMill.