<b>Wood Moisture Meter came with Displays in Green LCD <b>Used on wood, paper, cardboard, Buildings etc <b>Measurement principle: Electrical resistance <b>Auto power off conserves battery energy, Data hold function Built-in battery check and low battery icon display. <b>Complete with protective cap, and carrying case <p><br><b> How to use</b> <br>STEP 1: Take off the protection cap of the meter, and press "POWER" button <br>STEP 2: Press "MODE" to select matching wood groups <br>STEP 3: Pushed the pins into the wood, and it displays reading <br>STEP 4: Until the reading stability， Press "HOLD", and you can read the record. <br>STEP 5: PAPER/WALL button will be an extra options <br>STEP 6: Press "POWER" button to close the device, or 15m Auto power off function save your battery <p><br><b> Wood Species Group Table</b> <b>A: Teak Walnut Afromosia Rubber tree <b>B: Keruing White poplar Beech Cedar Tola <b>C: Lauan Ash Elm Fir Maple Padauk Tola <b>D: Basswood Larch Pine Birch <p><br><b>Specification</b> <b>Range: 4~75% <b>Paper Range: 4-90% <b>Wall/ building Range: 0.2-24% <b>Resolution: 0.1% <b>Accuracy: ±0.5% <b>Electrode length: 10mm (0.4") <b>Electrode pins: Integrated <b>Auto Power Off: After approx.15 minutes <p><br><b>Package List: </b> <b>1*Digital LCD Wood Meter <b>1* Instruction manual <b>2* VVV Battery