Geartist (TM) GT610 LCD Display Digital Wood Moisture Meter Pin Type Back Light (Range: 2~40%/50%/60%/70%) Measuring Range:2~40%/50%/60%/70%, Resolution:0.5%, Temperature Range:-10~60 Humidity Range:20%RH~90%RH, Measuring accuracy: 1% 4 groups wood species mode selection, data Hold and Max function Digital LCD screen with back light, Low power consumption, Low battery indication Measure the Percentage of Water in Given Substance (Wood, Sheetrock, Carpets and More)