Moisture Meter 3-IN-1

for measuring the moisture level in sawn timber, paper cardboard and hardened materials like mortar, concrete and plaster
displays the moisture level immediately
can also measure environment temperature

Measuring ranges:
wood: 6 - 42% (accuracy 0.1%)
building materials: 0.2 - 2.9% (accuracy 0.1%)
temperature: 0 - 40°C, or 22 - 99°F (accuracy 1°C / 2°F)

The small size is also very practical: width 4 cm, length 8 cm, height 2 cm