Features: 1¡¢Digital adjustment, automatic calibration every time you turn on, can ensure that the initial value of each measurement is correct. 2¡¢Large range and high accuracy can ensure a wider range of applications and meet industrialized measurement. 3¡¢Low power consumption, it can be used for a long time after replacing with new battery(battery not included), and the battery life is long. 4¡¢Small in size, lightweight and portable, it can be easily held in hand to measure in various places. 5¡¢Multi?material measurement, capable of measuring different kinds of materials such as wood, mortar, concrete, plaster, etc., with a wider range of uses. Item Type: Moisture Meter Model: HT632 Material: ABS Battery: 3x1.5V AAA Battery (Battery Not Included) Purpose: It is suitable for humidity detection. Measurement Material 1: Beech, Spruce, Larch, Birch, Cherry, Walnut 8.8 ~ 54.8% Measurement Material 2: Oak, Pine, Maple, Ash, Douglas Fir, Eucalyptus 6.8~47.9% Measuring Material 3: Cement Mortar Layer, Concrete 0.9 ~ 22.1% Measuring Material 4: Anhydrous Gypsum Mortar Layer 0.0~11.0% Measuring Material 5: Cement Mortar 0.7~ 8.6% Measuring Material 6: Lime Mortar, Gypsum 0.6~9.9% Measuring Material 7: Brick 0.0 ~ 16.5% Ambient Temperature: -20.0~60.0¡æ (-4.0~140¨H) ¡À1.5¡æ Environmental Humidity: 0.0~99.9% ¡À4.0%RH Use Environment: 0~40¡æ/20~90%RH 1 x Moisture Meter (Battery Not Included) 1 x Manual 1 x Carrying Bag