Non-invasive measurement to monitor moisture in wood and other building materials Select from 10 wood types and measurement ranges Measurement depth to 0.75 Inch (20mm) below the surface LCD displays % moisture of wood or material being tested Specifications Weight 5.5oz (156g) Dimensions 5.4x2.8x1.in (136x70x28mm) Max Resolution 0.1% Wood Moisture Range 0 to 99% Sensor Type Non-Penetrating Items Included 9V battery pouch case