MTC 999 units, Not recommended! A 0.5 on a 10 scale. Color is good. BE aware, MTC Analyzer Equipment is brought in assembled from China, then in Maryville, MO labeled with an American Flag. Target sales is to passionate American Farmer who was lead to believe the MMA company was formed, with the help of the Economic Development and Northwest Missouri University CIE financial benefits, to employ local displaced (battery plant) workers and the units assembled in Maryville, MO. The equipment is not USDA approved for commercial grain testing because the accuracy is not acceptable to pass the GIPSA test. The MTC screens are temp. sensitive and most often when needed --do not work in the field. Buy MTC and Waste your money.. MOTOMCO -MTC also want you to send in the units annually for calibration at an apx expense of additional $500+shipping/unit/year. Buy cheep and keep paying for it over and over. That is the business plan for their MTC branded USA and Canada business. .