Product Name Concrete Wall Moisture Meter Brand Sanpometer Model Number MD917 Packing Retail packing Product size 132×67×26mm Product weight 95g (without batteries) Battery 3×1.5V AAA(Not Included) Range of measurement 0~40% Error ±(1%±1) Resolution 0.5% Environment: Temperature: -5℃~40℃ Humidity: 0~80%Rh More Feature Measurement through HF electromagnetic sensing 10 different at option Automatic temperature compensation Setting of upper limit of moisture content ratio, prompting of overrunning Ultra-large LCD ensuring clear readings Automatic prompting of low voltage