Features:Wood Moisture Tester:this tester is a profeional instrument for measuring the moisture content of wood or construction materials. High Accuracy:the measurement data is to provide a basis for whether further drying is required. Temperature & Humidity Testing:it also has the capability to measure the temperature and humidity of the material site environment. Datum Test Point:there is a test board on the instrument cover for judging the accuracy of the tester to prevent errors during detection. High Sensitive Probes:use high strength 303 stainle steel, high frequency sampling rate of five times per second. HD LCD Display with Backlight:suitable for various measurement environments. Automatic Shutdown:if there is no operation after about 10 minutes of power on, the tester will shut down automatically. Specifications:Measuring Range & Resolution:wood:1~75%, 0.1% building material:0.1~2.4%, 0.1% ambient temperature:-10~60, 0.1 environmental relative humidity:0~100%, 1%RH Ambient Temperature Range & Resolution:0~451% -10~0, 45~601.5% Ambient Humidity Range & Resolution:20~80%4.0%RH 0~20%, 80~100%5.0%RH Material:ABS Protection Level:IP20 Electrode Length:10mm Measurement Rate:0.5s Operating Condition:0~40, 0~85%RH Storage Temperature:-10~60 Automatic Shutdown:Approx. 10 minutes Battery:2 * 1.5V AAA battery (NOT included) Item Size:147 * 42 * 25mm / 5.79 * 1.65 * 0.98in Item Weight:73g / 2.58oz Package Weight:128g / 4.52oz Package Size:15.7 * 7 * 3.5cm / 6.18 * 2.76 * 1.38in Packing List:1 * Tester 1 * Storage Bag 1 * Manual (English)