SODIAL(R) LCD Digital 2-Pin Wood Moisture Meter Damp Wall Tester Detector--Battery Included--Orange The meter is a miniature intelligent wood moisture adopting pin contact mode Suitable for measuring water content in wooden fiber articles such as wooden and bamboo objects, cotton, tobacco, paper and Chinese medical materials, etc Adopts mini computer (CPU) technology, have function of ambient temperature compensation, realizing rapid and accurate measurement 2 steel pin probes for high resolution and sensitivity Powered by one 12V (23A) battery