Products description:This durable handheld moisture meter is designed to check materials that absorb water. By penetrating 2 pins, it can accurate measure moisture of different kinds of material, such as wooden material, building material and other soil and the measuring range is 0-80%RH; Conductivity measurements: ±2%; Accuracy: 0.1%, It also has many advantages, such as an easy-to-red LCD screen, auto power off without operation after 2 minutes etc. Nice product at a good price, worth buying.Feature:All parts of this humidity tester is made of and eco-friendly material, durable and sturdy to use. The design of easy-to-red LCD screen and auto power-off without operation after 2 minutes, much easier to use.? With 2 pins, it can test the moisture of wooden material, such as Beech, Spruce, Oak, Cherry Wood, Walnut etc., and the range of measurement is 6%-44%. It also can test the building material, different building material with different measurement range, such as concrete gypsum wall (1.4%-7.4%), the anhydrite wall (0%-4.1%), cement plaster (0.8%-5.1%), lime mortar (0.4%-3.7%), brick (0% -8.5%). It is lower power consumption and need 1 x 9V 6F22 battery.Specification:Material: PlasticColor: Shown as pictureOperation Temperature: 0-40 degree centigradeStorage Temperature: -10-50 degree centigradeMeasuring Accuracy: 0.1%Electrical Conductivity Measurement: ±2% Protection Level: IP20Measuring Range: 0-80%RHPower Supply: 1 x 9V 6F22 battery（Not included）, auto power-off