OverviewEyech Digital Wood Moisture Meter Handheld LCD Moisture Tester Damp Moisture Tester Detector Features: Displays wood moisture in LCD Use on wood, paper, cardboard, etc Measurement principle: Electrical resistance Auto power off conserves battery energy, Data hold function Built-in battery check and low battery icon display Complete with protective cap, and carrying case Memory contains 4 wood groups with calibrations for approximately 50 species of wood How to use STEP 1: Take off the protection cap of the meter, and press "POWER" button STEP 2: Press "MODE" to select matching wood groups STEP 3: Pushed the pins into the wood, and it displays reading STEP 4: Until the reading stability Press "HOLD", and you can read the record. STEP 5: Press "POWER" button to close the device, or 15m Auto power off function save your battery Wood Species Group Table A: Teak Walnut Afromosia Rubber tree B: Keruing White poplar Beech Cedar Tola C: Lauan Ash Elm Fir Maple Padauk Tola D: Basswood Larch Pine Birch Package List 1*Digital LCD Wood Meter 1* Instruction manual 1* Battery