This is moisture tester of DC resistance(probe type), with selection among 4 wood types and other type, which can be widely applied in the fields of testingthe moisture content in the woods, bamboo ware,paper articles and traditional Chinese medicinal material, these of wood fibre construction.Features: Selection among 4 types of wood andother material. Reading lock.Review of maxium reading. Review of minimum reading. Battery volume alert. non- LCD with legibledisplay.Automatic/manual power off.Model: GM605Precision:2%Wood type1perating:0-40temperature perating humidity:20%RH-90%RHAutomatic power off time:About 10 minuteLength of probe:9.8mmBattery: 9V battery (not included)Color: Material: ABSPackage Contents:1 x Moisture Meter2 x AAA batteryOnly 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.