Black Color Specification:Range: 0-99.9 percent wood Reacute solution: 0.1 percent Precision: plusmn 0.5 percent Electrode length: 10 mm (0.4") Electrode pins: integrated Automatic switch-off: after approx. 15 minutes Scope of delivery: 1 x Humidity Meter1 x Instructions for use 1. Wide UseThis digital moisture meter is perfect for wood, firewood, logs, cardboard, paper, etc. 2. High Precision MeasuringMeasuring wood by sensitive electrode pins in the range of 0 to 100 percent . 99.9 percent and the accuracy is less than moremn 0.5 percent .3. 4 ModesYou can switch different modes according to 4 groups of wood, including about 50 wood species, which makes the measurement more accurate.4. Practical DesignLarge HD LCD screen with data hold function to display measurement results Auto power off to save battery (battery not included) Low battery icon displayed. Ergonomic design provides excellent hand feeling.5. Economical Material Manufactured made of ABS plastic for durability superior. Easy to access useInsert two built-in pins into the wood to ensure the highest accuracy of your humidity values observed.