Features Multiple grain moisture measurement: This grain moisture tester can quickly measure the moisture content of 14 kinds of grains, such as wheat, corn, rice, arachi and soybeans. Measuring range: The measuring range of this grain moisture tester is 7.5 to 44% (rapeseed, sesame, soybean meal, seed cotton), 10 to 50% (soybean, peanut), 11 to 50% (barley, rice, sorghum, watermelon seed), 11 to 55% (rice, wheat), 11.5 to 50% (corn, Speaker Design: This grain moisture tester is designed with a speaker on the back of the meter to report readings and allows people with nearsightedness to hear data without wearing glasses. The voice range of the broadcast includes setting, testing and commetering the instrument, and the whole process is accompanied by a voice reminder. Dual Probe: This grain moisture tester has a high-precision dual steel probe for easy measurement and durability. Backlit LCD Display: This grain moisture meter has a backlit LCD display for easy reading of measurements in the dark, which is convenient and practical. Specification: Item type: moisture meter Material: ABS Model: MD7822 Material: ABS Measuring range: 2% to 30% Accuracy: ± (1%RH+0.5) Resolution: 0.5% Power supply: 1 x 6F22 9V dry cell (not included) Package List: 1x Moisture meter 1 x probe 1 x User Manual Package List 1 x Moisture Meter 1 x Probe 1 x Instruction Manual