Wood moisture detector $ 21.79 Wood moisture content measurement (%): 2~40% Probe insertion and removal times test (times): 1000 Ambient temperature correction range (C): -10~60C Display digits: 3 digits Display interface (HTN): single display Refresh rate: 2 times/second Working temperature: 0C -40C Power supply: The power supply of this instrument is 3 1.5V AAA (No. 7) batteries