1. Measure and get average moisture value of 25 kinds of grains in the list. 2. The meter can automatically calculate the moisture content,weight,capacity and stored in memory. 3. It allows to make a +/- adjustment to the measurement for all readings of a grain to be consistent with the grain dealers equipment. 4. Low battery voltage prompt. Dimensions:16.5x7.1x7.4 cm weight:432 g (with batteries and the tightening cap) Way of filling the chamber: manual Sample's capacity:about 90 mL Power supply:4 batteries 1.5V type AAA + 1 battery 3V type CR-2032(included batteries) Low battery indicator Measuring range:3-80%(general) 5-30%(special) Resolution:0.1% Accuracy: ±0.5 % for normalized grain ±1 % in the range up to 10% of humidity ±1.5 % in the range over 10% of humidity and can increase if the sample's humidity increases Display:graphic LCD back lit Due to different product batches, the appearance may vary, which does not affect the use. Colour:Black Material:Plastic Package Contents: 1 * Humidity Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.