HABOTEST HT632 Portable Multifunctional Digital Display Wood Moisture Detector1. Embedded probe design, the probe is very sharp and can easily penetrate hard wood and solid moisture containing objects. 2. When the probe is inserted into the object to be measured, the humidity reading can be accurately displayed. 3. High definition color backlit display with clear readings. 4. Power supply method: 3xAAA batteries (not included) 5. Material humidity measurement range: 0. 0 58% (basic accuracy: + 2%) 6. Ambient temperature