The measurement speed is fast, the measurement result is accurate, and it will not leave any traces of damage to the measurement object the ℃ / ℉ button to switch the temperature unit, and the " HOLD " button to the humidity value of the measurement object Small size, portable, lightweight, you can put in your pocket wherever you go Measuring Range： Softwood: 0% ~55%, Hardwood: 0% ~35% The humidity readings of and masonry are relative values Handheld meter can measure four different materials:, masonry, softwood, hardwood, Manufacturer: Jazuaiao